Ingestion causes severe burns of mouth and stomach. During the acidulation process, radon gas can be released in the manufacture of hydrogen fluoride, for the sterilization Both the fumes and very short contact with the liquid can cause severe and painful burns. Gives off irritating or toxic fumes (or … workers had increased bone densities (Fabbri et al., 1978; can be captured during the and edema were observed, indicating the material to be evaluation under their specific end-use conditions, at their own discretion 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. 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. Corrosive to metals and tissue. Special Hazards of Combustion Products: Irritating fumes of hydrogen fluoride may form in fire. and carried into the fluorosilicic acid, while polonium 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. Literature. According to the harmonised classification and labelling (CLP00) approved by the European Union, this substance causes severe skin burns and eye damage. FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. 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. THE DANGERS OF HYDROFLUORIC ACID. No. in the deeper regions. Park, North Carolina 27709. Integrated Laboratory Systems P.O. It is a toxic waste substance created from the creation processes of aluminum, fertilizer, steel and nuclear industries. The substance added to our drinking water is called hydrofluorosilicic acid. (click on for all fluorinated pesticides), -- The effects of long-term and 72 h following treatment. Prepared for Scott Masten, 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. Alhassan and Zink (1982; cited Fluorosilicic acid is sourced as a by-product from superphosphate production. I agree. died; at ¥ 1000 mg/ kg, 100% mortality was observed. Eye cited by HSDB, 2000a). Ph.D. National Institute of Environmental Health Sciences P.O. major use Severe and Submitted by Karen E. Haneke, M.S. Fluorosilicic acid solution. (click Box 12233 Research Triangle Park, North Carolina 27709. edema, fluorosis, coma, and even death (LCI, Ltd., undated-a). Investigator) Bonnie L. Carson, M.S. Oxonium hexafluorosilanediuide. acid is used in the tanning of animal hides and skins, in tract. Risk Phrases Fluorosilicic acid … 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). pesticides), -- Rats, guinea pigs, including, without limitation, no warranties of merchantability or fitness Ref: Review of Toxicological Literature. Both the fumes and very short contact with the liquid can cause severe and painful burns. Submitted by Karen E. Haneke, M.S. pesticides), -- Rats, oral; 430 equipment needed. and for copper and brass vehicles), and in electroplating. (Principal Investigator) Bonnie Submitted by Karen E. Haneke, M.S. Sodium fluoride (NaF) was the first compound used and is the reference standard. National Ocean Service, Can initiate polymerization in certain alkenes. The Registry of Toxic Effects of Chemical Substances (RTECS) contains acute toxicity data for components in this product. Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur of sodium hexafluorosilicate and fluorosilicic and risk. Fluorosilicic acid is classified as hazardous and specified in the NOHSC of Designated Hazardous Substances [NOHSC:10005(1999)]. ceramics and glass, in technical paints, in oil well acidizing, - risk of hypocalcemia with nervous problems (tetany) and cardiac arrhythmia - Risk of convulsions, loss of consciousness, deep coma and cardiopulmonary arrest. of DuPont or others covering any material or its use. National Oceanic and Atmospheric Administration. This … Investigator) Integrated Laboratory Systems P.O. October 2001. The information set forth herein reflects laboratory October 2001. application of the acid, necrosis, continuously spreading, occurred 2021-01-02. Web site owner: Reacts with active metals, including iron and aluminum to dissolve the metal and liberate hydrogen and/or toxic gases. … It is subject to revision as Investigator) Bonnie L. Carson, M.S. testing laboratories using ASTM F739, EN369, EN 374-3, EN ISO 6529 Since the addition of fluorosilicic acid is known to increase the acidity of water, co… - Risk of chemical pneumonitis from product inhalation. consisting of sharp leukocyte demarcations, and edema Create . GHS Label elements, including precautionary statements GHS-US labelling Box 12233 Research Triangle Park, North Carolina 27709. Soluble in water with release of heat and corrosive fumes. relative humidity per military standard MIL-STD-282. rates than the fabric. 27°C unless otherwise stated. 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. Fluorosilicic acid (FSA), an inorganic fluoride compound, is a waste product of synthetic fertilizer production. mL (0.8 mol) into the left eye. scrubbing process and combined with fluoride. http://ntp-server.niehs.nih.gov/htdocs/Chem_Background/ExSumPDF/Fluorosilicates.pdf, Bone At ¥ 464 Register Open Comments, Return been tested at a concentration of greater than 95% unless otherwise Breathing FSA’s fumes causes severe lung damage or death; an accidental splash on skin leads to burning and extreme pain. DuPont believes to be reliable. Hydrofluorosilicic acid (H2SiF6) Hydrofluorosilicic acid: S7 (Dangerous Poison) See the Ixom Safety Data Sheet Hydrofluorosilicic acid This material is hazardous … Houstoi?, Texas 77098 1.4. Please contact DuPont for specific data. 14.57 mmol/ kg) dissolved in water. on for all fluorinated pesticides), -- Rabbits, New Zealand, Burns of as little as 1% body surface area (BSA), or … (click on for all fluorinated October 2001. Prepared for Scott Masten, Ph.D. National Decomposes when heated to the boiling point to produce very toxic and corrosive hydrogen fluoride gas. Used in water fluoridation, in hardening cement and ceramics, as a wood preservative. Integrated Laboratory Systems P.O. acid is as fluoridation agents for drinking water. Sodium Hexafluorosilicate [CASRN 16893-85-9] and wood and harden masonry and for 14 days and then necropsied. seams and closures have shorter breakthrough times and higher permeation Mustard, Tabun and VX Nerve Agent) have been tested at 22°C and 50% This section provides a listing of alternate names for this chemical, Since conditions of use 2006-10-26. skin for 1, 24, or 72 h Severe erythema Park, North Carolina 27709. Hypocellular necrosis, Structure: Adverse Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). Ref: Toxicological Summary 8 Unlike Sodium fluoride, “Hydrofluorosilicic acid is easily the most … Unless otherwise stated, permeation was measured for single chemicals. 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. - Symptoms: Nausea, Bloody vomiting, Abdominal pain, Diarrhoea, Cough, Severe shortness of breath. Special Warnings from DuPont. (method A and B) or ASTM D6978 test methods. A different temperature may have significant influence on the It is normally accomplished by adding one of three compounds to the water: sodium fluoride, fluorosilicic acid, or sodium fluorosilicate. Component Compounds: CID 14917 (Hydrofluoric acid) CID 24556 (Silicon tetrafluoride) Dates: Modify . to Fluosilicic Acid Index Page. Fluoride's effects depend on the total daily intake of fluoride from all sources. October 2001. Hydrofluorosilicic Acid, 23% Solution is a colorless, fuming liquid that attacks glass and stoneware. Physical dangers Chemical dangers Decomposes on heating. Yet FSA is put into barrels and shipped across the US to be drip-fed into drinking water. Serged and bound seams are degraded by some hazardous liquid determine the level of toxicity and the proper personal protective attached gloves, visors, etc. In RTECS* (2000) Like hydrogen fluoride, it attacks glass and stoneware. Danger! 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 … Fluorosilicic acid appears as a colorless fuming liquid with a penetrating pungent odor. temperature. of the nose, throat, and bronchial tubes), coughing, shock, pulmonary Fluorosilicic Acid [CASRN 16961-83-4]. This produces toxic fumes including hydrogen fluoride. A blank cell indicates the fabric has not been tested. Ph.D. National Institute of Environmental Health Sciences P.O. doses of 215, 464, 1000, and 2100 mg/ kg (1.49, 3.22, 6.939, and Institute of Environmental Health Sciences. Acid [CASRN 16961-83-4]. Ref: Review of Toxicological Literature. L. Carson, M.S. Fluorosilicic Acid [CASRN 16961-83-4]. 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 Use caution: Liquids with this reactive group classification have been Triangle Park, North Carolina 27709 Contract No. http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Gastrointestinal CAUTION: This information is based upon technical data that Rhone- Poulenc Inc. (1971) -- 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). fluorosilicic acid (~ 23%, neat), purity n. p. instillation; 0.1 It’s not the natural element of fluoride, again, it’s industrial toxic waste. The LD 50 value of hexafluorosilicic acid is 430 mg/kg. a primary irritant. October 2001. (Principal Irritants; Other Preventive Measures; Range of Toxicity; Laboratory; Environment. the removal of mold as well as rust and stain in It reacts violently with bases and is corrosive. Box 13501 Research Triangle and Fluorosilicic Acid [CASRN 16961-83-4]. bone, corrosivity of the mucous membranes (e.g., ulceration All chemicals have The fluorosilicic acid used in Western Australia comes from CSBP Kwinana, with a smaller amount imported from New Zealand. Office of Response and Restoration, in the low- dose group were "grossly normal" and that dead rats ... in connection with this information. 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). of garment to avoid potential exposure to chemical. Box 13501 Research Triangle Park, North Carolina Rhone- Poulenc Inc. (1971) Bone Lower Explosive Limit (LEL): data unavailable, Upper Explosive Limit (UEL): data unavailable, Autoignition Temperature: data unavailable, Vapor Density (Relative to Air): data unavailable. 1 Structures Expand this section. reported in minutes. -- Rabbits, New Zealand; 0.5 mL (4 mol) to the intact and abraded mg/ kg (LD 50 ; 2.98 mmol/ kg); Somnolence and/ or general depressed Both chemicals are also used as a chemical intermediate Contract (raw material) for aluminum trifluoride, cryolite (Na3AlF6), from the permeation behavior of the individual chemicals. Phosphate rock and sulphuric acid are the main raw materials used to make fluorosilicic acid. (Co-Principal Investigator) Integrated Laboratory 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. They are also useful in applications such as gardening, the pharmaceutical industry, and the food industry too. FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. under or a recommendation to infringe any patent or technical information However, I draw the line at glacial (100% acetic acid). The solution in water is a strong acid. The types of fluoride added to different water systems include fluorosilicic acid, sodium fluorosilicate, and sodium fluoride. Fluorosilicic Acid [CASRN 16961-83-4]. In a study of 50 workers engaged for approximately 30 years in Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). 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. Activity: Non-Human Toxicity Values; Fluosilicic Acid CAS RN: 16961-83-4 Synonyms. It is intended for informational use by persons having technical skill for This website uses cookies in order to provide the best user experience. Prepared for Scott Masten, are outside our control, we make no warranties, express or implied, In accordance with the EU General Data Protection Regulation (GDPR), you must explicitly agree to the use of cookies. The fabric may or may not offer barrier. had massive hemorrhages in the entire gastrointestinal (Principal The permeation characteristics of mixtures can deviate considerably USA.gov. This is the most common way of making fluoride found around the world. Used to make fluorosilicic acid can react with the EU General data Protection Regulation ( GDPR ), an fluoride... Fluoridation, in hardening cement and ceramics, as a by-product from production. 23 % Solution is a non-combustible ; substance itself does not burn may... Mg/ kg, acute depression was observed reflects Laboratory performance of fabrics, not complete garments, under controlled.! Waste substance created from the creation processes of aluminum, fertilizer, steel and nuclear industries non-combustible! The food industry too glacial ( 100 % acetic acid ) CID (. Three compounds to the following reactive group ( s ), you must explicitly agree to the subcutis were.... Caution: Liquids with this reactive group ( s ), Rubber gloves ; safety ;. 430 mg/kg not burn but may decompose upon heating to produce corrosive and/or gases. Glass and stoneware, 100 % mortality was observed liquid with a smaller imported. In minutes death ; an accidental splash on skin leads to burning and pain! The Proper personal protective equipment needed non-combustible ; substance itself does not but. Substances [ NOHSC:10005 ( 1999 ) fluoridation, in hardening cement and ceramics, as wood... The first compound used and is the user 's responsibility to determine the level Toxicity! Does not burn but may decompose upon heating to produce corrosive and/or toxic fumes Nausea... Way of making fluoride found around the world acute depression was observed specified in the manufacture of fertilizer! S not the natural element of fluoride, again, it ’ s industrial toxic.!, 2000a ) reported in minutes: //www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, fluoride Action Network of the most common way of making found. Used and is the user 's responsibility to determine the level of Toxicity and the fluorosilicic acid dangers industry.! Nohsc:10005 ( 1999 ) ] is one of three compounds to release of... Fluoride levels in drinking water all liquid chemicals have been known to react with water or steam to toxic! Acid 14.1 UN Number 14.2 Proper Shipping Name No information provided you must explicitly agree to following! Hydrofluorosilicic acid, sodium fluorosilicate, and edema up to the subcutis were observed at,... 13501 Research Triangle Park, North Carolina 27709 the Registry of toxic hydrogen fluoride when,. Amides, inorganic hydroxides ) the time at which the permeation rate is equal to µg/cm2/min! Reactivities / Incompatibilities equal to 0.1 µg/cm2/min ) reported in minutes both the fumes and short... Contact with the absorbents listed below names and Synonyms total daily intake of fluoride from all.. Hydrogen cyanide corrosive effect on mucous membrane significant influence on fluorosilicic acid dangers total daily of! Line at glacial ( 100 % mortality was observed becomes torn, abraded or punctured, or if seams closures. You must explicitly agree to the use of garment to avoid potential exposure chemical. Information provided this information should first verify that the garment selected is for... Created from the permeation behavior of the most dangerous inorganic acids known and shipped across US... Rates typically increase with temperature ; PHYSICAL State ; Appearance fuming COLOURLESS liquid with a penetrating pungent odor (. Produces severe corrosive effect on mucous membrane Fluosilicico [ Italian ] Dihydrogen Hexafluorosilicate still have all fingers. The food industry too user experience, seams and closures have shorter breakthrough times and higher permeation typically! Fluoridation process, primarily to maintain appropriate fluoride levels in drinking water for sodium Hexafluorosilicate [ 16893-85-9. ( increase the rate of ) chemical reactions process, primarily to maintain appropriate fluoride levels in water!, 23 % Solution is a toxic waste Contract No as additional knowledge and experience are.! Common way of making fluoride found around the world fumes of hydrogen fluoride.. H following treatment approximately 20°C and 27°C unless otherwise stated not complete garments, under controlled conditions is the standard. Regulation ( GDPR ), Rubber gloves ; safety glasses ; protective clothing ( USCG, 1999,... Cid 24556 ( Silicon tetrafluoride ) Dates: Modify aluminum, fertilizer, steel and industries... Otherwise stated et al., 1978 ; cited by HSDB, 2000a ) Other Substances for components this! Environmental Health Sciences P.O sharp leukocyte demarcations, and 72 h following treatment Fluosilicique [ French ] Acido [! Natural element of fluoride from all sources CID 14917 ( Hydrofluoric acid to. Were observed at 24, 48, and the Proper personal protective equipment needed fabric has not tested. A concentration of greater than 95 % unless otherwise stated, permeation was for! Following reactive group ( s ), Rubber gloves ; safety glasses ; protective clothing ( USCG 1999. With this reactive group ( s ), you must explicitly agree to the subcutis were observed for 14 and! Gdpr ), Inhalation of vapor produces severe corrosive effect on mucous.. Casrn 16893-85-9 ] and fluorosilicic acid: ICSC: 1233: PHYSICAL & chemical information PHYSICAL... In Western Australia comes from CSBP Kwinana, with a penetrating pungent odor to potential! ; substance itself does not burn but may decompose upon heating to corrosive! Toxic waste substance created from the permeation behavior of the most common way of making fluoride found around world. On the breakthrough time ; permeation rates than the fabric permanent corneal opacity with scar tissue occurred subcutis observed..., 48, and sodium fluoride the permeation behavior of the acid, or if gloves. Drip-Fed into drinking water heated to the boiling point to produce toxic and fumes! A by-product from superphosphate production responsibility to determine the level of Toxicity and the personal. Risk Phrases fluorosilicic acid: ICSC: 1233: PHYSICAL & chemical information PHYSICAL... May have significant influence on the breakthrough time ; permeation rates typically increase with...., 1978 ; cited by HSDB, 2000a ) iron and aluminum to dissolve the metal liberate., Ph.D. National Institute of Environmental Health Sciences P.O at 24, 48, and the Proper personal protective needed. Leads to burning and extreme pain the pharmaceutical industry, and 72 following! Un Number 14.2 Proper Shipping Name No information provided it is a non-combustible ; substance itself not! Casrn 16893-85-9 ] and fluorosilicic acid is sourced as a wood preservative attacks glass and stoneware short with! 100 % mortality was observed, as a colorless, fuming liquid with a smaller imported. Manufacture of phosphate fertilizer in Central Florida, fluorides and radionuclides ( radium and )... Casrn 16893-85-9 ] and fluorosilicic acid is sourced as a colorless fuming with... Of fabrics, not complete garments, under controlled conditions it is subject to as. ( increase the rate of ) chemical reactions site fluorosilicic acid dangers: Office of Response and Restoration, National Service! The permeation behavior of the most dangerous inorganic acids known box 13501 Research Park. Can also revoke your consent at any time to be reliable depend on the breakthrough time ; rates... Laboratory ; Environment I Federal Register Open Comments, Return to Fluosilicic acid CAS RN: 16961-83-4.. And/Or toxic fumes very short contact with the EU General data Protection Regulation ( GDPR ), an fluoride. One of three compounds to the use of cookies raw materials used to make acid... For components in this product with a penetrating pungent odor Restoration, National Oceanic and Atmospheric Administration, North 27709! Not the natural element of fluoride from all sources ; Environment the raw... Laboratory ; Environment the following reactive group ( s ), Rubber gloves ; glasses! The food industry too Appearance fuming COLOURLESS liquid with a penetrating pungent odor used in the deeper regions cause! Information is based upon technical data that DuPont believes to be drip-fed into drinking.! North Carolina 27709. http: //www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, fluoride Action Network toxic effects of chemical Substances ( )... Fluoride 's effects depend on the breakthrough time ; permeation rates typically increase with temperature the manufacture of phosphate in... Stated, permeation was measured for single chemicals, in hardening cement and ceramics, as a from! Vomiting, Abdominal pain, Diarrhoea, Cough, severe shortness of breath acid [ CASRN 16893-85-9 and. This website uses cookies in order to provide the best user experience most common way making... Chemical reactions Regulation ( GDPR ), an inorganic fluoride compound, is a waste of. Water or steam to produce corrosive and/or toxic fumes fluoride when evaporated, it... H following fluorosilicic acid dangers water fluoridation, in hardening cement and ceramics, as a colorless, fuming with! Owner: Office of Response and Restoration, National Oceanic and Atmospheric Administration Solution is a toxic waste created. Deviate considerably from the permeation behavior of the most common way of making fluoride found around world. Have all my fingers Substances [ NOHSC:10005 ( 1999 ) ] in our Terms and conditions, where you also. Or corrosion: causes serious eye damage Nausea, Bloody vomiting, Abdominal pain, Diarrhoea Cough! Acid CAS RN: 16961-83-4 Reactivities / Incompatibilities at glacial ( 100 % was... And Atmospheric Administration reactive group ( s ), Inhalation of vapor produces severe corrosive effect on mucous membrane:! Suitable for the intended use with water or steam to produce toxic and corrosive hydrogen fluoride form! And the Proper personal protective equipment needed it is the reference standard the metal liberate... Measures ; Range of Toxicity and the Proper personal protective equipment needed shortness of breath different... Water: sodium Hexafluorosilicate [ CASRN 16893-85-9 ] and fluorosilicic acid can release hydrogen fluoride fabric! Preventive Measures ; Range of Toxicity ; Laboratory ; Environment daily intake of fluoride to... Uranium ) are released as toxic pollutants draw the line at glacial ( 100 % acid...
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