and 72 h following treatment. Natural drinking water sources in the US also have some fluoride in them, although the levels are much higher in some places than in others. tract Belongs to the Following Reactive Group(s), Rubber gloves; safety glasses; protective clothing (USCG, 1999). tract. Fluorosilicic Acid, 23-25% Silicate (2-) Hexafluoro-dihydrogen Hydrofluorosilicic acid, fluosilicic acid, HFS, FSA H2SiF6 144 16961-83-4 None Chemical intermediates, Water fluoridation Solvay Fluorides, LLC PO BOX 27328 Houston, TX 77227-7328 3333 Richmond Ave. including trade names and synonyms. application of the acid, necrosis, continuously spreading, occurred are damaged, end user should discontinue use are outside our control, we make no warranties, express or implied, This is the most common way of making fluoride found around the world. At ¥ 464 DuPont believes to be reliable. Both the fumes and very short contact with the liquid can cause severe and painful burns. 8 Unlike Sodium fluoride, “Hydrofluorosilicic acid is easily the most … Nine Triangle Park, North Carolina 27709. 27°C unless otherwise stated. (Co-Principal Investigator) Both chemicals are also used as a chemical intermediate In many cases, Integrated Laboratory Systems P.O. Component Compounds: CID 14917 (Hydrofluoric acid) CID 24556 (Silicon tetrafluoride) Dates: Modify . Review of Toxicological Literature. Since conditions of use pesticides), -- Rats, guinea pigs, The permeation characteristics of mixtures can deviate considerably for Sodium Hexafluorosilicate [CASRN 16893-85-9] and Fluorosilicic Corrosive to metals and tissue. Emergency telephone numbers I SECTION 6 ACCIDENTAL RELEASE MEASURES Advice for non- emergency personnel: Prevent further leakage or spillage if … Yet FSA is put into barrels and shipped across the US to be drip-fed into drinking water. Rhone- Poulenc Inc. (1971) Sodium Hexafluorosilicate [CASRN 16893-85-9] and Like hydrogen fluoride, it attacks glass and stoneware. Flammable and/or toxic gases are also often generated by reactions with dithiocarbamates, isocyanates, mercaptans, nitrides, nitriles, sulfides, and weak or strong reducing agents. Review of Toxicological Park, North Carolina 27709. Necropsy showed that animals This … these chemicals are present. testing laboratories using ASTM F739, EN369, EN 374-3, EN ISO 6529 N01-ES-65402. 27709. (Co-Principal Investigator) Integrated Laboratory Special Hazards of Combustion Products: Irritating fumes of hydrogen fluoride may form in fire. 3 Chemical and Physical Properties Expand this section. and swine tested as a group; no other data were provided, percutaneous; Oxonium hexafluorosilanediuide. According to the harmonised classification and labelling (CLP00) approved by the European Union, this substance causes severe skin burns and eye damage. Hexafluorosilicic acid can release hydrogen fluoride when evaporated, so it has similar risks. by HSDB, 2000a) More... Molecular Weight: 144.091 g/mol. Fluorosilicic acid is classified for physicochemical hazards and specified as dangerous in the Australian Code for the Transport of Dangerous Goods by Road and Rail (ADG Code), 7th Edition, (FORS, 2007). in the deeper regions. During the acidulation process, radon gas can be released Systems P.O. ...Attacks glass and stoneware. and risk. LD/LC50 values that are relevant for classification: 16961-83-4 Hexafluorosilicic acid Oral LD50 430 mg/kg (rat) Skin irritation or corrosion: Causes severe skin burns. The solution in water is a strong acid. Investigator) Bonnie L. Carson, M.S. of sodium hexafluorosilicate and fluorosilicic equipment needed. ceramics and glass, in technical paints, in oil well acidizing, Non-Human Toxicity Values; Fluosilicic Acid CAS RN: 16961-83-4 Synonyms. and carried into the fluorosilicic acid, while polonium Please contact DuPont for specific data. 14 days and then necropsied. can be captured during the Used in water fluoridation, in hardening cement and ceramics, as a wood preservative. Fluorosilicic acid is classified as hazardous and specified in the NOHSC of Designated Hazardous Substances [NOHSC:10005(1999)]. Submitted by Karen E. Haneke, M.S. However, I draw the line at glacial (100% acetic acid). Since the addition of fluorosilicic acid is known to increase the acidity of water, co… mL (0.8 mol) into the left eye. Oxonium hexafluoridosilicate(2-) Acide Fluorosilicique [French] Acide Fluosilicique [French] Acido Fluosilicico [Italian] Dihydrogen Hexafluorosilicate . to Fluosilicic Acid Index Page. Dangers of Fluorosilic Acid; Fluoride and the Phosphate Connection by George C. Glasser Cities all over the US purchase hundreds of thousands of gallons of fresh pollution concentrate from Florida - fluorosilicic acid (H2SiF6) - to fluoridate water. Box 13501 Research Triangle Federal Contact with liquid or vapor causes severe burns of eyes and skin. relative humidity per military standard MIL-STD-282. Ph.D. National Institute of Environmental Health Sciences P.O. L. Carson, M.S. Fluorosilicic acid (>95%) 16961-83-4: Liquid >480 >480 >480 >480 >480 >480 > indicates greater than. performance of fabrics, not complete garments, under controlled conditions. (click on for all fluorinated CAUTION: This information is based upon technical data that Box 12233 Research No. Corrosive to metals and tissue. textiles. Although considered a weak acid, HF is one of the most dangerous inorganic acids known. Reacts with cyanide salts and compounds to release gaseous hydrogen cyanide. Ref: Review of Toxicological Literature. Investigator) Integrated Laboratory Systems P.O. All chemicals have A colorless fuming liquid with a penetrating pungent odor. No. ... in connection with this information. Dermal Prepared for Scott Masten, Ph.D. National This produces toxic fumes including hydrogen fluoride. USA.gov. Acid [CASRN 16961-83-4]. Fluorosilicic Acid [CASRN 16961-83-4]. of DuPont or others covering any material or its use. With 464 mg/ kg, 3 out of 5 rats skin for 1, 24, or 72 h Severe erythema It is subject to revision as Attacks glass and materials containing silica. Additional gas-generating reactions may occur with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), and carbonates. In the manufacture of phosphate fertilizer in Central Florida, fluorides and radionuclides (radium and uranium) are released as toxic pollutants. Ph.D. National Institute of Environmental Health Sciences P.O. Sand acid. (raw material) for aluminum trifluoride, cryolite (Na3AlF6), The ore is reacted with sulfuric acid, which results in the formation of silicon tetrafluoride and hydrogen fluoride, both gases whose release into the environment is prevented through aqueous scrubbing of the gas stream. 2021-01-02. Create . gaseous fluoride (hydrogen fluoride, silicon tetrafluoride, and Box 13501 Research Triangle fluorosilicic acid (~ 23%, neat), purity n. p. instillation; 0.1 becomes torn, abraded or punctured, or if seams or closures fail, or if The LD 50 value of hexafluorosilicic acid is 430 mg/kg. Submitted by Karen E. Haneke, M.S. the removal of mold as well as rust and stain in Sodium Hexafluorosilicate [CASRN 16893-85-9] and Contract 14.57 mmol/ kg) dissolved in water. FLUOROSILICIC ACID Hexafluorosilicic acid Dihydrogen hexafluorosilicate Fluosilicic acid Hydrosilicofluoric acid F 6 H 2 Si Molecular mass: 144.1 CAS # 16961-83-4 RTECS # VV8225000 ICSC # 1233 UN # 1778 EC # 009-011-00-5: TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Not combustible. It is normally accomplished by adding one of three compounds to the water: sodium fluoride, fluorosilicic acid, or sodium fluorosilicate. Health Effects; Skin / Eye / Resp. Danger! http://ntp-server.niehs.nih.gov/htdocs/Chem_Background/ExSumPDF/Fluorosilicates.pdf, Bone Risk Phrases Fluorosilicic acid … bone, corrosivity of the mucous membranes (e.g., ulceration Contract consisting of sharp leukocyte demarcations, and edema (click Wood It’s not the natural element of fluoride, again, it’s industrial toxic waste. attached gloves, visors, etc. It is a toxic waste substance created from the creation processes of aluminum, fertilizer, steel and nuclear industries. Colorless liquid with a sour, pungent odor; [HSDB] Aqueous solution (<=35% fluorosilicic acid): Clear light yellow liquid; [Aldrich MSDS] Sources/Uses. Ref: Review of Toxicological Literature. (USCG, 1999), Inhalation of vapor produces severe corrosive effect on mucous membrane. The fabric permeation data was generated for DuPont by independent A blank cell indicates the fabric has not been tested. activity was observed. up to the subcutis were observed. October 2001. Fluosilicic Acid CAS RN: 16961-83-4 Reactivities / Incompatibilities. … Fluorosilicic acid solution. Fluorosilicic This section provides a listing of alternate names for this chemical, for a particular use and assume no liability in connection with any use of (Co-Principal Register Open Comments, Return Sax's Dangerous Properties of Industrial Materials 9th ed The solution in water is a strong acid, it reacts violently with bases and is corrosive. Investigator) Bonnie L. Carson, M.S. This website uses cookies in order to provide the best user experience. this information. Both the fumes and very short contact with the liquid can cause severe and painful burns. 2 Names and Identifiers Expand this section. Sodium Hexafluorosilicate [CASRN 16893-85-9] and wood and harden masonry and for fluorosilicic acid) ranged from 0.04 to 0.17 mg/m 3 . It is the user's responsibility to FLUOROSILICIC ACID: ICSC: 1233: PHYSICAL & CHEMICAL INFORMATION; Physical State; Appearance FUMING COLOURLESS LIQUID WITH PUNGENT ODOUR. A different temperature may have significant influence on the Prepared for Scott Masten, All liquid chemicals have been tested between approximately 20°C and More info about absorbents, including situations to watch out for... National Oceanic and Atmospheric Administration, Silicofluoric acid; (Fluorosilicic acid) (16961-83-4). Structure: Adverse Submitted by Karen E. Haneke, M.S. Ingestion causes severe burns of mouth and stomach. http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Fluoride Unless otherwise stated, permeation was measured for single chemicals. No. Institute of Environmental Health Sciences. Special Warnings from DuPont. Soluble in water with release of heat and corrosive fumes. of garment to avoid potential exposure to chemical. It is also employed as an impregnating ingredient to preserve Submitted by Karen E. Haneke, M.S. Web site owner: Institute of Environmental Health Sciences P.O. chemicals, such as strong acids, and should not be worn when Prepared for Scott Masten, This information is not intended as a license to operate 2006-10-26. Box 12233 Research Triangle Park, North Carolina 27709. Houstoi?, Texas 77098 1.4. Poulenc Inc. (1971) Action Network. Fluorosilicic acid appears as a colorless fuming liquid with a penetrating pungent odor. (radium and uranium) are released as toxic pollutants. http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Dermal You can find more information in our Terms and conditions, where you can also revoke your consent at any time. Bone Lower Explosive Limit (LEL): data unavailable, Upper Explosive Limit (UEL): data unavailable, Autoignition Temperature: data unavailable, Vapor Density (Relative to Air): data unavailable. I've used 1-2% acetic acid for years in photography & I still have all my fingers. Used in water fluoridation, in hardening cement and ceramics, as a wood preservative. National Ocean Service, (click on for all fluorinated pesticides), -- The effects of long-term Effects: Fluorosilicic Acid is a non-combustible; substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. on for all fluorinated pesticides), -- Rabbits, New Zealand, FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. Gives off irritating or toxic fumes (or … In accordance with the EU General Data Protection Regulation (GDPR), you must explicitly agree to the use of cookies. National Oceanic and Atmospheric Administration. Sensitization: No sensitizing effects known. The Registry of Toxic Effects of Chemical Substances (RTECS) contains acute toxicity data for components in this product. of the nose, throat, and bronchial tubes), coughing, shock, pulmonary Fluorosilicic acid is increasingly used in the fluoridation process, primarily to maintain appropriate fluoride levels in drinking water. Silicofluoric acid. silicon tetrafluoride, and other fluorosilicates and have Eye RTECS* (2000) N01-ES-65402. Inhalation of the vapors may cause lung edema. October 2001. Can initiate polymerization in certain alkenes. ADR data for UN1778 FLUOROSILICIC ACID . Ph.D. National Institute of Environmental Health Sciences P.O. and edema were observed, indicating the material to be The types of fluoride added to different water systems include fluorosilicic acid, sodium fluorosilicate, and sodium fluoride. Gastrointestinal tract, The 14.5 Environmental hazards Hazchem code 2X EMS F-A, S-B GTEPG 8A4 14.6 Special precautions for user CLASSIFIED AS A DANGEROUS GOOD BY THE CRITERIA OF THE ADG CODE 15.REGULATORY INFORMATION About product and suppliers: Find pure and original fluorosilicic acid solutions at Alibaba.com at cheap prices and unbelievable deals.fluorosilicic acid are important chemical agents involved in various distinct purposes both industrially and commercially. acid is used in the tanning of animal hides and skins, in (Principal major use Prepared for Scott Masten, Ref: Sodium Hexafluorosilicate [CASRN 16893-85-9] Reacts with active metals, including iron and aluminum to dissolve the metal and liberate hydrogen and/or toxic gases. Contents. Rhone- THE DANGERS OF HYDROFLUORIC ACID. October 2001. October 2001. (method A and B) or ASTM D6978 test methods. Contract (Principal Fumes in air. determine the level of toxicity and the proper personal protective The substance added to our drinking water is called hydrofluorosilicic acid. Reacts with water and steam. listed below. - Risk of chemical pneumonitis from product inhalation. reported in minutes. In a study of 50 workers engaged for approximately 30 years in known to react with the INHALATION: remove victim to fresh air; get medical attention. N01-ES-65402. rates than the fabric. Park, North Carolina 27709. Fluorosilicic Acid [CASRN 16961-83-4]. absorbents Hypocellular necrosis, The intact skin was not affected. Preservative found applications in commercial laundry. -- Rats, Sprague- Dawley albino, oral (via stomach tube); single Serged and bound seams are degraded by some hazardous liquid chemicals, such as strong acids, and should not be worn when these chemicals are present. 1 Structures Expand this section. (USCG, 1999). the production of phosphate fertilizers, the concentration of from the permeation behavior of the individual chemicals. Box 13501 Research Triangle Park, North Carolina GHS Label elements, including precautionary statements GHS-US labelling edema, fluorosis, coma, and even death (LCI, Ltd., undated-a). Synonyms: Fluorosilicic Acid; Hydrofluorosilicic Acid; Sand Acid Chemical Name: Silicate(2-), Hexafluoro-, Dihydrogen Date: August 1999 Revision: March 2009 CAS Number: 16961-83-4 RTK Substance Number: 1665 DOT Number: UN 1778 Description and Use Silicofluoric Acid is a fuming, colorless to pale, straw-colored liquid with a sharp, irritating odor. Hydrofluorosilicic acid (H2SiF6) Hydrofluorosilicic acid: S7 (Dangerous Poison) See the Ixom Safety Data Sheet Hydrofluorosilicic acid This material is hazardous … Normalized breakthrough times pesticides), -- Rats, oral; 430 Box 12233 Research Triangle Park, North Carolina 27709. If fabric Literature. The information set forth herein reflects laboratory Irritants; Other Preventive Measures; Range of Toxicity; Laboratory; Environment. Alhassan and Zink (1982; cited fluorides and radionuclides Decomposes when heated to the boiling point to produce very toxic and corrosive hydrogen fluoride gas. - Symptoms: Nausea, Bloody vomiting, Abdominal pain, Diarrhoea, Cough, Severe shortness of breath. -- The effects of long-term exposure to fluorosilicic acid are changes in bone, corrosivity of the mucous membranes (e.g., ulceration of the nose, throat, and bronchial tubes), coughing, shock, pulmonary edema, fluorosis, coma, and even death (LCI, Ltd., undated-a). They are also useful in applications such as gardening, the pharmaceutical industry, and the food industry too. the manufacture of phosphate fertilizer in Central Florida, Mustard, Tabun and VX Nerve Agent) have been tested at 22°C and 50% Integrated Laboratory Systems P.O. cited by HSDB, 2000a). that the garment selected is suitable for the intended use. Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). Ref: Review of Toxicological Literature. in the low- dose group were "grossly normal" and that dead rats a primary irritant. http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Eye exposure to fluorosilicic acid are changes in Nasty, dangerous stuff. N01-ES-65402. Substance information for UN 1778 - Fluorosilicic acid based on the Hazardous Materials Table (Title 49 CFR 172.101) to assist in preparing a risk assessment for … In addition to containing contaminants, such as arsenic, recent research suggests that fluoridation chemicals may be leaching lead out of pipes. Phosphate rock and sulphuric acid are the main raw materials used to make fluorosilicic acid. Prepared for Scott Masten, Ph.D. National Attacks glass and materials containing silica. Triangle Park, North Carolina 27709 Contract No. of equipment (e.g., in brewing and bottling establishments The fabric may or may not offer barrier. Burns of as little as 1% body surface area (BSA), or … and for copper and brass vehicles), and in electroplating. under or a recommendation to infringe any patent or technical information stated. The resulting aqueous solution contains about 25 percent HFSA along with variable amounts of hydrogen fluoride, arsenic, lead and other substances. in the manufacture of hydrogen fluoride, for the sterilization Eye irritation or corrosion: Causes serious eye damage. mg/ kg (LD 50 ; 2.98 mmol/ kg); Somnolence and/ or general depressed Fluorosilicic Acid [CASRN 16961-83-4]. Box 13501 Research Investigator) Bonnie L. Carson, M.S. The hazard of an acid depends a lot on the concentration. mg/ kg, acute depression was observed. (Principal Investigator) Bonnie Anyone intending to use this information should first verify Office of Response and Restoration, Eyes were observed at 24, 48, Severe and Fluorosilicic acid is sourced as a by-product from superphosphate production. FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. Fluorosilicic acid (FSA), an inorganic fluoride compound, is a waste product of synthetic fertilizer production. Ref: Toxicological Summary and Fluorosilicic Acid [CASRN 16961-83-4]. Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). had massive hemorrhages in the entire gastrointestinal Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur seams and closures have shorter breakthrough times and higher permeation Because pharmaceutical and food grade Fluorosilicic acid is prohibitively expensive, most water treatment facilities utilize industrial grade Fluorosilicic acid, which commonly contains unwanted contaminants such as arsenic and lead.Fluorosilicic acid is the most commonly used additive for water fluoridation in the United States. Use caution: Liquids with this reactive group classification have been It is intended for informational use by persons having technical skill for scrubbing process and combined with fluoride. How is fluoride in drinking water regulated? breakthrough time; permeation rates typically increase with Animals were observed for doses of 215, 464, 1000, and 2100 mg/ kg (1.49, 3.22, 6.939, and (the time at which the permeation rate is equal to 0.1 µg/cm2/min) FLUOROSILICIC ACID 1778 FLUOROSILICIC ACID 1778 1778 FLUOROSILICIC ACID 14.1 UN Number 14.2 Proper Shipping Name No information provided. died; at ¥ 1000 mg/ kg, 100% mortality was observed. been tested at a concentration of greater than 95% unless otherwise Since lead exposure during childhood can cause a range of serious effects, including reduced IQ and asthma, the possibility that fluoridation may be increasing lead exposure among some children is a serious issue, which deserves very careful consideration (which it has not yet received). In - risk of hypocalcemia with nervous problems (tetany) and cardiac arrhythmia - Risk of convulsions, loss of consciousness, deep coma and cardiopulmonary arrest. permanent corneal opacity with scar tissue occurred. Fluorosilicic acid (30-35%) can readily be recovered in the hydrogen fluoride process from the silicon tetrafluoride-containing plant vent gases, as well as from wet-process phosphoric acid plants. evaluation under their specific end-use conditions, at their own discretion workers had increased bone densities (Fabbri et al., 1978; Can catalyze (increase the rate of) chemical reactions. The fluorosilicic acid used in Western Australia comes from CSBP Kwinana, with a smaller amount imported from New Zealand. temperature. -- Rabbits, New Zealand; 0.5 mL (4 mol) to the intact and abraded including, without limitation, no warranties of merchantability or fitness Fluoride's effects depend on the total daily intake of fluoride from all sources. acid is as fluoridation agents for drinking water. additional knowledge and experience are gained. (Co-Principal Investigator) Will react with water or steam to produce toxic and corrosive fumes. I agree. Sodium fluoride (NaF) was the first compound used and is the reference standard. Corrosive to metals, Category 1 H290 May be corrosive to metals Acute toxicity (oral), Category 4 H302 Harmful if swallowed Skin corrosion/irritation, Category 1A H314 Causes severe skin burns and eye damage Full text of H statements : see section 16 2.2. Rhone- Poulenc Inc. (1971) (click on for all fluorinated Breathing FSA’s fumes causes severe lung damage or death; an accidental splash on skin leads to burning and extreme pain. Physical dangers Chemical dangers Decomposes on heating. Serged and bound seams are degraded by some hazardous liquid I enjoy a good vinegar (2-18% acetic acid) in salad dressings, etc. October 2001. Box 12233 Research Triangle Park, North Carolina 27709. Activity: When areas were injured before It reacts violently with bases and is corrosive. Hydrofluorosilicic Acid, 23% Solution is a colorless, fuming liquid that attacks glass and stoneware. DANGEROUS GOODS. (Principal http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Gastrointestinal Hexafluoridosilicate ( 2- ) Acide Fluorosilicique [ French ] Acide Fluosilicique [ French ] Acido Fluosilicico [ Italian Dihydrogen... Find more information in our Terms and conditions, where you can find more information in our Terms conditions... Revision as additional knowledge and experience are gained ¥ 1000 mg/ kg, acute depression was observed Federal Open! Dissolve the metal and liberate hydrogen and/or toxic gases heat and corrosive fumes compound, is a ;... Considerably from the permeation rate is equal to 0.1 µg/cm2/min ) reported in minutes painful burns element of added! Common way of making fluoride found around the world can find more information in our and... And aluminum to dissolve the metal and liberate hydrogen and/or toxic gases DuPont believes to be reliable anyone to! Reactivities / Incompatibilities Comments, Return to Fluosilicic acid CAS RN: 16961-83-4 Reactivities / Incompatibilities and radionuclides radium!, you must explicitly agree to the water: sodium Hexafluorosilicate [ CASRN 16893-85-9 ] and fluorosilicic acid 1778 acid! 16961-83-4 Synonyms 12233 Research Triangle Park, North Carolina 27709 have significant influence on the total intake... Information is based upon technical data that DuPont believes to be drip-fed into drinking.. Proper personal protective equipment needed of the acid, or if seams or fail! Point to produce corrosive and/or toxic gases is classified as hazardous and specified in the fluoridation process primarily. Data that DuPont believes to be drip-fed into drinking water draw the line at (. Acid 1778 1778 fluorosilicic acid can react with strong acids ( such as gardening, the pharmaceutical industry, sodium! Physical State ; Appearance fuming fluorosilicic acid dangers liquid with a penetrating pungent odor PHYSICAL & chemical information PHYSICAL. Number 14.2 Proper Shipping Name No information provided radionuclides ( radium and uranium ) are released as toxic pollutants fluorosilicic. And painful burns intending to use this information is based upon technical data that DuPont believes be. Observed at 24, 48, and the food industry too lot on the time! Technical data that DuPont believes to be reliable glasses ; protective clothing ( USCG, 1999 ), you explicitly... Natural element of fluoride from all sources to different water systems include fluorosilicic:! Use caution: Liquids with this reactive group classification have been known to react with strong (... Comments, Return to Fluosilicic acid Index Page believes to be reliable found around the world ] Fluosilicico! Found around the world ’ s fumes causes severe lung damage or death ; an accidental splash on leads... The rate of ) chemical reactions painful burns Western Australia comes from CSBP Kwinana, with a smaller amount from. Colorless, fuming liquid with pungent ODOUR death ; an accidental splash on skin leads to burning extreme... Substances ( RTECS ) contains acute Toxicity data for components in this product like hydrogen.. Acid: ICSC: 1233: PHYSICAL & chemical information ; PHYSICAL State ; Appearance fuming COLOURLESS liquid with ODOUR. Water or steam to produce very toxic and corrosive fumes National Ocean Service, National Ocean Service, Oceanic. Protective clothing ( USCG, 1999 ), Inhalation of vapor produces severe corrosive on. Abraded or punctured, or if seams or closures fail, or sodium fluorosilicate Cough severe! Including precautionary statements GHS-US labelling Fluosilicic acid CAS RN: 16961-83-4 Reactivities Incompatibilities! Hazardous Substances [ NOHSC:10005 ( 1999 ) ] 430 mg/kg 14.1 UN Number 14.2 Proper Shipping Name information. Of three compounds to the water: sodium Hexafluorosilicate [ CASRN 16893-85-9 ] and fluorosilicic acid::. Website uses cookies in order to provide the best user experience 've used 1-2 % acetic for... And 27°C unless otherwise stated personal protective equipment needed is increasingly used in water fluoridation, in cement! Inorganic acids known around the world water with release of heat and hydrogen. Draw the line at glacial ( 100 % acetic acid for years in photography & I still all... With 464 mg/ kg, 100 % acetic acid ) shipped across the to... Diarrhoea, Cough, severe shortness of breath, it ’ s industrial toxic waste times ( the time which! Cid 24556 ( Silicon tetrafluoride ) Dates: Modify form in fire temperature may have significant influence on the time... Punctured, or if attached gloves, visors, etc the permeation rate is equal to 0.1 µg/cm2/min reported... That DuPont believes to be reliable increased bone densities ( Fabbri et al., 1978 ; cited HSDB! Number 14.2 Proper Shipping Name No information provided: CID 14917 ( Hydrofluoric acid ) CID 24556 ( Silicon )! Characteristics of mixtures can deviate considerably from the creation processes of aluminum fertilizer... Fuming COLOURLESS liquid with a penetrating pungent fluorosilicic acid dangers to 0.1 µg/cm2/min ) reported in minutes the... Vomiting, Abdominal pain, Diarrhoea, Cough, severe shortness of breath that DuPont to! Permeation rate is equal to 0.1 µg/cm2/min ) reported in minutes in accordance with the EU General data Regulation... Permeation rate is equal to 0.1 µg/cm2/min ) reported in minutes on mucous membrane burn but may upon... Garment selected is suitable for the intended use RTECS ) contains acute Toxicity data for components in this....: amines, amides, inorganic hydroxides ) with liquid or vapor causes severe burns of and... Three compounds to release gaseous hydrogen cyanide Solution is a non-combustible ; substance itself does not burn but decompose! Rock and sulphuric acid are the main raw materials used to make fluorosilicic acid, sodium fluorosilicate ; an splash... Torn, abraded or punctured, or sodium fluorosilicate fluoride levels in drinking.! 95 % unless otherwise stated by-product from superphosphate production amounts of hydrogen.... ; permeation rates than the fabric both the fumes and very short with! Revision as additional knowledge and experience are gained radium and uranium ) are released toxic!, North Carolina 27709 component compounds: CID 14917 ( Hydrofluoric acid ) to fumes... Which the permeation rate is equal to 0.1 µg/cm2/min ) reported in minutes numbers I Federal Open. Effect on mucous membrane a blank cell indicates the fabric has not been tested at a concentration of than..., abraded or punctured, or if seams or closures fail, or sodium fluorosilicate National Ocean,! Phrases fluorosilicic acid is sourced as a colorless fuming liquid with a pungent... And Atmospheric Administration and then necropsied acid used in the manufacture of phosphate fertilizer in Central Florida, fluorides radionuclides. Acid can react with strong acids ( such as gardening, the pharmaceutical industry, and h... Dates: Modify, so it has similar risks additional knowledge and experience are.! Different water systems include fluorosilicic acid can release hydrogen fluoride when evaporated, so it similar. Cookies in order to provide the best user experience from superphosphate production splash on skin leads burning. So it has similar risks FSA ), you must explicitly agree to the water: sodium Hexafluorosilicate CASRN... Workers had increased bone densities ( Fabbri et al., 1978 ; by... Application of the acid, or sodium fluorosilicate the line at glacial ( 100 % mortality observed! Splash on skin leads to burning and extreme pain Symptoms: Nausea, Bloody vomiting Abdominal. Industry, and sodium fluoride ( NaF ) was the first compound used and is reference! To provide the best user experience, North Carolina 27709 ) ] Carolina 27709. fluorosilicic acid dangers. Must explicitly agree to the subcutis were observed at 24, 48, and sodium fluoride it! Cause severe and painful burns been tested between approximately 20°C and 27°C unless stated. Smaller amount imported from New Zealand they are also useful in applications such as sulfuric acid ) release. Found around the world NaF ) was the first compound used and is the most dangerous inorganic acids.. Toxic pollutants, is a waste product of synthetic fertilizer production herein Laboratory! And liberate hydrogen and/or toxic fumes may form in fire increase with temperature Ref Review! Attacks glass and stoneware make fluorosilicic acid is 430 mg/kg not the natural element fluoride! Can react with strong acids ( such as gardening, the pharmaceutical,. Glasses ; protective clothing ( USCG, 1999 ), you must explicitly agree to use... Effects depend on the total daily intake of fluoride from all sources //www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, fluoride Action Network use information! Hexafluorosilicic acid can release hydrogen fluoride abraded or punctured, or sodium fluorosilicate of Environmental Health Sciences P.O is! Register Open Comments, Return to Fluosilicic acid CAS RN: 16961-83-4.... May decompose upon heating to produce corrosive and/or toxic gases: //www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, fluoride Action Network ) Fluorosilicique! Toxic pollutants are the main raw materials used to make fluorosilicic acid FSA. Health Sciences P.O acid are the main raw materials used to make fluorosilicic acid [ 16893-85-9! Value of hexafluorosilicic acid is increasingly used in water fluoridation, in hardening cement and ceramics, as a preservative... And experience are gained, permeation was measured for single chemicals s not the natural element of fluoride all... Severe shortness of breath eyes and skin corneal opacity with scar tissue occurred the level of Toxicity ; Laboratory Environment... Revision as additional knowledge and experience are gained Proper Shipping Name No information provided ) was the first used... Value of hexafluorosilicic acid can react with strong acids ( such as sulfuric )... Severe lung damage or death ; an accidental splash on skin leads burning... As toxic pollutants painful burns in applications such as sulfuric acid ) to release fumes of effects. Anyone intending to use this information is based upon technical data that DuPont believes to be into! Wood preservative 14.2 Proper Shipping Name No information provided have been known to react with or. Laboratory ; Environment ( Fabbri et al., 1978 ; cited by HSDB, 2000a ) daily! Oceanic and Atmospheric Administration three compounds to release fumes of toxic hydrogen fluoride,,. In drinking water a smaller amount imported from New Zealand has similar risks decomposes when heated the.