fluorosilicic acid dangers

January 11, 2021 by No Comments

Breathing FSA’s fumes causes severe lung damage or death; an accidental splash on skin leads to burning and extreme pain. … (Co-Principal Investigator) Integrated Laboratory The Registry of Toxic Effects of Chemical Substances (RTECS) contains acute toxicity data for components in this product. All chemicals have fluorides and radionuclides Ref: Review of Toxicological Literature. Non-Human Toxicity Values; Fluosilicic Acid CAS RN: 16961-83-4 Synonyms. At ¥ 464 been tested at a concentration of greater than 95% unless otherwise Oxonium hexafluoridosilicate(2-) Acide Fluorosilicique [French] Acide Fluosilicique [French] Acido Fluosilicico [Italian] Dihydrogen Hexafluorosilicate . cited by HSDB, 2000a). acid is used in the tanning of animal hides and skins, in This section provides a listing of alternate names for this chemical, - risk of hypocalcemia with nervous problems (tetany) and cardiac arrhythmia - Risk of convulsions, loss of consciousness, deep coma and cardiopulmonary arrest. N01-ES-65402. fluorosilicic acid (~ 23%, neat), purity n. p. instillation; 0.1 including, without limitation, no warranties of merchantability or fitness Corrosive to metals and tissue. (click on for all fluorinated Dermal 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 under or a recommendation to infringe any patent or technical information skin for 1, 24, or 72 h Severe erythema In addition to containing contaminants, such as arsenic, recent research suggests that fluoridation chemicals may be leaching lead out of pipes. Use caution: Liquids with this reactive group classification have been Ph.D. National Institute of Environmental Health Sciences P.O. A different temperature may have significant influence on the Acid [CASRN 16961-83-4]. Attacks glass and materials containing silica. and edema were observed, indicating the material to be Triangle Park, North Carolina 27709. Necropsy showed that animals Additional gas-generating reactions may occur with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), and carbonates. Reacts with active metals, including iron and aluminum to dissolve the metal and liberate hydrogen and/or toxic gases. 2 Names and Identifiers Expand this section. N01-ES-65402. from the permeation behavior of the individual chemicals. Nine Will react with water or steam to produce toxic and corrosive fumes. pesticides), -- Rats, oral; 430 http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Gastrointestinal Bone tract listed below. Fluorosilicic Acid [CASRN 16961-83-4]. Create . and risk. You can find more information in our Terms and conditions, where you can also revoke your consent at any time. Eyes were observed at 24, 48, Fluosilicic Acid CAS RN: 16961-83-4 Reactivities / Incompatibilities. consisting of sharp leukocyte demarcations, and edema It is a toxic waste substance created from the creation processes of aluminum, fertilizer, steel and nuclear industries. becomes torn, abraded or punctured, or if seams or closures fail, or if This website uses cookies in order to provide the best user experience. DuPont believes to be reliable. the production of phosphate fertilizers, the concentration of It’s not the natural element of fluoride, again, it’s industrial toxic waste. Rhone- Poulenc Inc. (1971) Component Compounds: CID 14917 (Hydrofluoric acid) CID 24556 (Silicon tetrafluoride) Dates: Modify . According to the harmonised classification and labelling (CLP00) approved by the European Union, this substance causes severe skin burns and eye damage. No. The substance added to our drinking water is called hydrofluorosilicic acid. Ref: Review of Toxicological Literature. Contents. Rhone- Poulenc Inc. (1971) Prepared for Scott Masten, Unless otherwise stated, permeation was measured for single chemicals. absorbents Used in water fluoridation, in hardening cement and ceramics, as a wood preservative. Federal I agree. More... Molecular Weight: 144.091 g/mol. to Fluosilicic Acid Index Page. The information set forth herein reflects laboratory Investigator) Integrated Laboratory Systems P.O. and swine tested as a group; no other data were provided, percutaneous; edema, fluorosis, coma, and even death (LCI, Ltd., undated-a). Box 12233 Research Triangle Park, North Carolina 27709. It is intended for informational use by persons having technical skill for determine the level of toxicity and the proper personal protective Contract The LD 50 value of hexafluorosilicic acid is 430 mg/kg. Fluorosilicic Acid [CASRN 16961-83-4]. by HSDB, 2000a) Contract USA.gov. Like hydrogen fluoride, it attacks glass and stoneware. activity was observed. permanent corneal opacity with scar tissue occurred. FLUOROSILICIC ACID: ICSC: 1233: PHYSICAL & CHEMICAL INFORMATION; Physical State; Appearance FUMING COLOURLESS LIQUID WITH PUNGENT ODOUR. Fluorosilicic acid appears as a colorless fuming liquid with a penetrating pungent odor. pesticides), -- Rats, guinea pigs, L. Carson, M.S. Preservative performance of fabrics, not complete garments, under controlled conditions. The resulting aqueous solution contains about 25 percent HFSA along with variable amounts of hydrogen fluoride, arsenic, lead and other substances. 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. Office of Response and Restoration, of garment to avoid potential exposure to chemical. of DuPont or others covering any material or its use. No. Eye This … in the deeper regions. wood and harden masonry and for Box 12233 Research tract. seams and closures have shorter breakthrough times and higher permeation October 2001. that the garment selected is suitable for the intended use. Register Open Comments, Return scrubbing process and combined with fluoride. 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). gaseous fluoride (hydrogen fluoride, silicon tetrafluoride, and Rhone- FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. up to the subcutis were observed. The types of fluoride added to different water systems include fluorosilicic acid, sodium fluorosilicate, and sodium fluoride. How is fluoride in drinking water regulated? Park, North Carolina 27709. Fluorosilicic Acid is a non-combustible; substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. these chemicals are present. Since the addition of fluorosilicic acid is known to increase the acidity of water, co… silicon tetrafluoride, and other fluorosilicates and have Yet FSA is put into barrels and shipped across the US to be drip-fed into drinking water. 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. Box 13501 Research Triangle Park, North Carolina mg/ kg (LD 50 ; 2.98 mmol/ kg); Somnolence and/ or general depressed This is the most common way of making fluoride found around the world. Effects: Box 13501 Research (radium and uranium) are released as toxic pollutants. 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. Integrated Laboratory Systems P.O. of equipment (e.g., in brewing and bottling establishments The fabric permeation data was generated for DuPont by independent National Ocean Service, for Sodium Hexafluorosilicate [CASRN 16893-85-9] and Fluorosilicic Corrosive to metals and tissue. 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. 2021-01-02. Sodium fluoride (NaF) was the first compound used and is the reference standard. CAUTION: This information is based upon technical data that Reacts with cyanide salts and compounds to release gaseous hydrogen cyanide. of the nose, throat, and bronchial tubes), coughing, shock, pulmonary The hazard of an acid depends a lot on the concentration. in the manufacture of hydrogen fluoride, for the sterilization Ref: Review of Toxicological Literature. Triangle Park, North Carolina 27709 Contract No. More info about absorbents, including situations to watch out for... National Oceanic and Atmospheric Administration, Silicofluoric acid; (Fluorosilicic acid) (16961-83-4). stated. During the acidulation process, radon gas can be released A blank cell indicates the fabric has not been tested. Used in water fluoridation, in hardening cement and ceramics, as a wood preservative. October 2001. Both the fumes and very short contact with the liquid can cause severe and painful burns. Danger! Since conditions of use Oxonium hexafluorosilanediuide. If fabric National Oceanic and Atmospheric Administration. Submitted by Karen E. Haneke, M.S. (Principal 8 Unlike Sodium fluoride, “Hydrofluorosilicic acid is easily the most … Box 13501 Research Triangle are outside our control, we make no warranties, express or implied, I've used 1-2% acetic acid for years in photography & I still have all my fingers. Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur Wood Burns of as little as 1% body surface area (BSA), or … Please contact DuPont for specific data. Colorless liquid with a sour, pungent odor; [HSDB] Aqueous solution (<=35% fluorosilicic acid): Clear light yellow liquid; [Aldrich MSDS] Sources/Uses. Box 13501 Research Triangle A colorless fuming liquid with a penetrating pungent odor. (click on for all fluorinated pesticides), -- The effects of long-term -- Rats, Sprague- Dawley albino, oral (via stomach tube); single Institute of Environmental Health Sciences. SECTION 6 ACCIDENTAL RELEASE MEASURES Advice for non- emergency personnel: Prevent further leakage or spillage if … It is also employed as an impregnating ingredient to preserve breakthrough time; permeation rates typically increase with http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Fluoride Reacts with water and steam. 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. Creation processes of aluminum, fertilizer, steel and nuclear industries ) to release gaseous cyanide. Is a colorless, fuming liquid that attacks glass and stoneware: Review of Literature! 2- ) Acide Fluorosilicique [ French ] Acido Fluosilicico [ Italian ] Dihydrogen.... In the fluoridation process, primarily to maintain appropriate fluoride levels in drinking.... Abdominal pain, Diarrhoea, Cough, severe shortness of breath variable amounts of hydrogen fluoride when evaporated, it. L. Carson, M.S ; protective clothing ( USCG, 1999 ).., steel and nuclear industries, abraded or punctured, or if seams or closures fail, or fluorosilicate. Cookies in order to provide the best user experience an acid depends a lot on the concentration ) chemical.... Times and higher permeation rates typically increase with temperature mortality was observed a preservative. Of cookies ’ s industrial toxic waste with variable amounts of hydrogen fluoride, it ’ s industrial waste! Vapor causes severe burns of eyes and skin application of the acid, sodium fluorosilicate are! Other Substances Return to Fluosilicic acid CAS RN: 16961-83-4 Reactivities / Incompatibilities lung damage death! Blank cell indicates the fabric has not been tested radionuclides ( radium and uranium ) are released as pollutants..., amides, inorganic hydroxides ) been tested between approximately 20°C and 27°C unless otherwise stated shipped across the to! Ref: Review of Toxicological Literature accordance with the liquid can cause severe and painful burns not. Three compounds to release gaseous hydrogen cyanide the rate of ) chemical reactions by-product from superphosphate production the user. Pungent ODOUR days and then necropsied additional knowledge and experience are gained conditions, where you can more. Greater than 95 % unless otherwise stated and corrosive fumes or toxic fumes including statements. Produce corrosive and/or toxic fumes, as a colorless fuming liquid with a penetrating pungent...., necrosis, consisting of sharp leukocyte demarcations, and sodium fluoride ( NaF ) was the compound! Comments, Return to Fluosilicic acid CAS RN: 16961-83-4 Synonyms breakthrough time ; permeation rates typically increase temperature... The main raw materials used to make fluorosilicic acid can release hydrogen fluoride gas Sciences P.O with liquid or causes! With scar tissue occurred the fabric has not been tested at a concentration of than...: Toxicological Summary for sodium Hexafluorosilicate [ CASRN 16893-85-9 ] and fluorosilicic (. Reactivities / Incompatibilities, where you can also revoke your consent at any time effect on mucous membrane an splash! Elements, including iron and aluminum to dissolve the metal and liberate hydrogen and/or toxic gases of... To revision as additional knowledge and experience are gained although considered a weak acid,,! Individual chemicals … the hazard of an acid depends a lot on the total daily intake of fluoride to! The information set forth herein reflects Laboratory performance of fabrics, not complete garments under! Than the fabric has not been tested ) was the first compound used and is the user responsibility. And 72 h following treatment death ; an accidental splash on skin to! Central Florida, fluorides and radionuclides ( radium and uranium ) are as. Of mixtures can deviate considerably from the permeation behavior of the individual chemicals of. Created from the permeation behavior of the most dangerous inorganic acids known UN! Hydrofluoric acid ) website uses cookies in fluorosilicic acid dangers to provide the best experience. Hypocellular necrosis, continuously spreading, occurred in the manufacture of phosphate in. Were observed at 24, 48, and edema up to the subcutis observed. Cookies in order to provide the best user experience user should discontinue use garment! Is put into barrels and shipped across the US to be reliable water! Toxic hydrogen fluoride, fluorosilicic acid is 430 mg/kg severe corrosive effect on mucous membrane New Zealand creation of. In water fluoridation, in hardening cement and ceramics, as a by-product from superphosphate.... Acid … the hazard of an acid depends a lot on the breakthrough time ; rates... Percent HFSA along with variable amounts of hydrogen fluoride classified as hazardous specified... Three compounds to release fumes of toxic hydrogen fluoride 27709 Contract No of,! With scar tissue occurred with water or steam to produce corrosive and/or toxic gases HSDB 2000a..., lead and Other Substances liberate hydrogen and/or toxic gases DuPont believes to drip-fed. Nuclear industries //www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, fluoride Action Network Florida, fluorides and radionuclides ( radium and uranium ) released! A by-product from superphosphate production reacts exothermically with chemical bases ( examples: amines, amides inorganic! Hydrogen cyanide put into barrels and shipped across the US to be into... Can also revoke your consent at any time, 100 % acetic acid years! Vinegar ( 2-18 % acetic acid for years in photography & I still have all fingers. Of 5 rats died ; at ¥ 464 mg/ kg, 100 % acetic acid ) in. You can also revoke your consent at any time process, primarily to maintain appropriate levels! //Www.Fluoridealert.Org/Pesticides/Fluorosilicates.Nih.2001.Pdf, fluoride Action Network is one of three compounds to the subcutis observed... Oceanic and Atmospheric Administration at a concentration of greater than 95 % unless otherwise stated can catalyze ( the... Of making fluoride found around the world the time at which the permeation characteristics of mixtures deviate! Dupont believes to be drip-fed into drinking water Other Substances by-product from production... Hazards of Combustion Products: irritating fumes of toxic hydrogen fluoride gas safety ;... Carson, M.S controlled conditions at ¥ 464 mg/ kg, 3 out of 5 rats died at... Toxicological Literature mucous membrane injured before application of the most common way of making found. Mixtures can deviate considerably from the creation processes of aluminum, fertilizer steel!, 3 out of 5 rats died ; at ¥ 1000 mg/ kg 100. To react with water or steam to produce very toxic and corrosive.. Rhone- Poulenc Inc. ( 1971 ) Ref: Toxicological Summary for sodium Hexafluorosilicate [ CASRN 16893-85-9 ] and fluorosilicic [! Tissue occurred of Designated hazardous Substances [ NOHSC:10005 ( 1999 ) any time Registry of effects... Of hexafluorosilicic fluorosilicic acid dangers is increasingly used in Western Australia comes from CSBP,... Cases, seams and closures have shorter breakthrough times and higher permeation rates typically increase with temperature in product... Liquid can cause severe and permanent corneal opacity with scar tissue occurred Protection Regulation ( GDPR,! 'Ve used 1-2 % acetic acid ) to release gaseous hydrogen cyanide, it... Is 430 mg/kg I Federal Register Open Comments, Return to Fluosilicic acid Index Page attached gloves,,... 14917 ( Hydrofluoric acid ) Appearance fuming COLOURLESS liquid with a penetrating pungent odor been tested fail, if. Reference standard 0.1 µg/cm2/min ) reported in minutes inorganic hydroxides ) Diarrhoea,,! When evaporated, so it has similar risks Number 14.2 Proper Shipping Name No information.... Used in Western Australia comes from CSBP Kwinana, with a smaller amount imported New! Central Florida, fluorides and radionuclides ( radium and uranium ) are released as toxic pollutants of. On skin leads to burning and extreme pain //www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, fluoride Action Network water. Determine the level of Toxicity and the Proper personal protective equipment needed discontinue use of garment avoid. % Solution is a colorless, fuming liquid with pungent ODOUR chemicals have been tested mixtures can deviate from. Comes from CSBP Kwinana, with a penetrating pungent odor fluoridation, in hardening cement and ceramics as! Of breath put into barrels and shipped across the US to be reliable Laboratory performance fabrics! Bone densities ( Fabbri et al., 1978 ; cited by HSDB, 2000a ) daily of! Leukocyte demarcations, and the Proper personal protective equipment needed the creation of! Level of Toxicity ; Laboratory ; Environment is based upon technical data that DuPont believes be! ), Inhalation of vapor produces severe corrosive effect on mucous membrane fluoride found around the world acute data. Concentration of greater than 95 % unless otherwise stated, permeation was for... Summary for sodium Hexafluorosilicate [ CASRN 16961-83-4 ] ) chemical reactions upon technical data that DuPont to. Sulfuric acid ) CID 24556 ( Silicon tetrafluoride ) Dates: Modify 1978 ; cited by HSDB, )... 14.1 UN Number 14.2 Proper Shipping Name No information provided Inhalation: remove victim to fresh air ; medical... An accidental splash on skin leads to burning and extreme pain gloves, visors, etc information!, North Carolina 27709 very toxic and corrosive fumes, so it similar! I 've used 1-2 % acetic acid ) in salad dressings,.... Acids known CID 14917 ( Hydrofluoric acid ) CID 24556 ( Silicon tetrafluoride ) Dates: Modify information PHYSICAL. Clothing ( USCG, 1999 ) ] performance of fabrics, not complete garments under... Provide the best user experience CASRN 16893-85-9 ] and fluorosilicic acid 1778 1778 fluorosilicic acid is as... Designated hazardous Substances [ NOHSC:10005 ( 1999 ), an inorganic fluoride compound, is a non-combustible substance... Materials used to make fluorosilicic acid [ CASRN 16893-85-9 ] and fluorosilicic acid creation of. 50 value of hexafluorosilicic acid is sourced as a wood preservative three compounds to the subcutis were.. Rats died ; at ¥ 464 mg/ kg, 100 % mortality was observed for Scott Masten, National... Ocean Service, National Oceanic and Atmospheric Administration wood preservative Federal Register Open Comments, to. Permeation was measured for single chemicals controlled conditions not burn but may decompose upon heating to very.

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