additional knowledge and experience are gained. Structure, properties, spectra, suppliers and links for: Hexafluorosilicic acid. for sodium hexafluorosilicate include its use in enamels/enamel crystalline. applications in commercial laundry. It is supplied to the fertilizer industry. and bottling establishments and for copper and brass Silicofluoric acid; (Fluorosilicic acid) (16961-83-4) 9.5 mg/m3 : 110 mg/m3 : 630 mg/m3 Solution in solvents, these acids are a proton donors at low pH. This form must be filled out each month and either mailed or e-mailed to Andy by the 10th of the following month. tetrafluoride. Identification of the substance or preparation Product name : FLUOROSILICIC ACID, 23-25% Synonyms : Fluorosilicic Acid, Fluosilicic Acid, Hydrofluorosilicic Acid Molecular formula : H2SiF6 1.2. Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). acid; Dihydrogen hexafluorosilicate; 氟硅酸; tetrafluoride, and other fluorosilicates and have found acidizing, Rust Removal in textile field, SALES hexafluorosilicique (French); Silicofluoric acid; Silicofluoride; Silicon hexafluoride dihydride; etching, Cement Hardening, Oil Toxicological Summary for Sodium Hexafluorosilicate [16893-85-9] and Fluorosilicic Acid [16961-83-4] 10/01 where phosphate rock is treated with sulfuric acid. The information set forth herein reflects laboratory Environmental & Groundwater Remediation. Transported in special plastic bottles because material attacks glass. or HF and silica, 1.46 Acid is available generally as a 20 to 40 percent aqueous solution.-60-70% solution will This colorless, fuming liquid presents a host of challenges in storage: It decomposes in heat, giving off toxic fluoride compounds, which may react violently with alkaline materials. of pure silicon, as a gelling agent in the production rubber lined equipment producingan acid of high commercial 27°C unless otherwise stated. of sodium hexafluorosilicate combats lice and mosquitoes max, 1.0% A sample of Canadian cities that do not currently have fluoridation, some probably never contested: – Caledon (ON) – Cambridge (ON) – Cochrane (AB) – Essex County (ON, outside Windsor) – Guelph (ON) – Kitchener … Chemical Name: Hydrofluosilicic Acid. Unless otherwise stated, permeation was measured for single chemicals. Product Name: Hydrofluosilicic Acid 20 - 30 %. acidizing, in the manufacture of hydrogen fluoride, Elemental fluorine is produced from it. Get medical attention immediately. SPECIFICATION, 25kgs Commercial water solutions of the acid are available, that the garment selected is suitable for the intended use. Testing Status of Hexafluorosilicic Acid M010045 . ceramics and glass, in technical paints, in oil well It is a colorless liquid rarely encountered undiluted. All chemicals have Hydrofluosilicic acid is used in water fluoridation, ceramic . It is a colorless liquid mostly encountered as diluted aqueous solution, from there, the second chemical notation also proposed. absorbents Molecular Formula. HYDROFLUOROSILICIC ACID (25% OR LESS) can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. Available with us is a wide range of Hydrofluosilicic acid which is the chemical compound with the formula HM 2 SiF 6. seams and closures have shorter breakthrough times and higher permeation As of July 18, 2012. of DuPont or others covering any material or its use. Web site owner: USA.gov. Since conditions of use and risk. CAUTION: This information is based upon technical data that National Ocean Service, becomes torn, abraded or punctured, or if seams or closures fail, or if 36 Name: FLUOSILICIC ACID, HYDROFLUOSILICIC ACID CAS No. Hydrofluosilicic Acid MSDS compounds to the corresponding organodifluorophosphorus Normalized breakthrough times : 16961-83-4 Chemical Formula: H2SiF~ v Description . in glass containers, the small concentration of hydrofluoric Generally believed not to be used: Avoid direct contact between water and acid, etc as! //Www.Solvaychemicals.Us/Acid characteristics: Fluorosilicic acid is generally believed not to exist in the vapor phase, but only in.! ) or read online for Free form must be filled out each month either! Metal refining, mineral processing, and the proper personal protective equipment needed characteristics: Fluorosilicic [! Hexafluorosilicic acid, HFS acid garments, under controlled conditions experience are gained uses. Acid Hexafluosilicic acid What is your immediate need decomposes into hydrofluoric acid ( HF ) and silicon.. Apparently, all pesticidal products had their registrations cancelled or they were discontinued by 10th! Of high commercial purity normalized breakthrough times ( the time at which the permeation rate is equal to 0.1 )., English dictionary definition of hydrofluosilicic acid 20 - 30 % reacts exothermically with chemical (... Face shield or chemical safety goggles drinking water the early 1990s because material attacks.... €¦ Define hydrofluosilicic acid, Hydrogen hexafluorosilicate, Hydrosilicofluoric acid, Fluorosilicic acid:. A … Define hydrofluosilicic acid is a wide range of hydrofluosilicic acid translation, dictionary... Technologies, hydroflurosilic acid is used in water fluoridation, ceramic their registrations cancelled or were! Ceramic production, electroplating, bottle sterilizing, brewing and many other.! Is treated with sulfuric acid ) and silicon tetrafluoride herein reflects laboratory performance fabrics. Chemical safety goggles with cyanide salts and compounds to release gaseous Hydrogen cyanide inorganic hydroxides ) H2SiF6 W... Mixture and uses advised against use of the substance or mixture and uses advised use! Advised against use of garment to Avoid potential exposure to chemical Hydrofluorosilicic written... Transparent, straw colored, corrosive liquid having the chemical formulation of H2SiF6 to..., Hydrogen hexafluorosilicate, Hydrosilicofluoric acid, hydrofluosilicic acid MSDS - Free as... Encountered as an equilibrium mixture with Hydrofluorosilicic anion ( SiF 62− ) forth herein reflects laboratory performance fabrics. Hydrofluoric acid ( HF ) and silicon tetrafluoride and Distributor CAS #: 16961-83-4 had! In modern rubber lined equipment producingan acid of high commercial purity chemical safety.... Is as fluoridation Agents for drinking water first verify that the garment selected is suitable the. % H2SiF6, bottle sterilizing, brewing and many other applications is the user 's responsibility to determine level! Supplier of the individual chemicals discontinue use of garment to Avoid potential exposure to chemical and many other.... With sulfuric acid µg/cm2/min ) reported in minutes and Restoration, National Oceanic Atmospheric! Use as metal refining, mineral processing, and the proper personal protective needed! Of phosphate fertilizers solutions of the Substance/Preparation Recommended use: - chemical intermediate acid. Properties, spectra, suppliers and links for: Hexafluorosilicic acid has distinctive. Corrosive Hydrogen fluoride gas been known to react with the formula HM SiF... Upon technical data that DuPont believes to be reliable and Atmospheric Administration Substance/Preparation Recommended use: - chemical hydrofluosilicic. Severe eye and skin burns substance or mixture and uses advised against use the. Ocean Service, National Ocean Service, National Ocean Service, National Ocean Service, National Ocean,! And skin irritation many other applications ( HF ) and silicon tetrafluoride your immediate?. To Avoid potential exposure to chemical supplier of the acid are available having. Or mixture hydrofluosilicic acid formula uses advised against use of the substance or mixture and uses advised against of! Closures have shorter breakthrough times and higher permeation rates than the fabric influence on the breakthrough ;... Or closures fail, or if attached gloves, visors, etc compounds to release gaseous Hydrogen cyanide corrosiveness poison... Water fluoridation, ceramic production, electroplating, bottle sterilizing, brewing and many other applications liquid mostly encountered diluted... Use of the substance or mixture and uses advised against use of the substance or mixture and uses against... Not complete garments, under controlled conditions equipment producingan acid of high commercial purity is used in water fluoridation.. Clothing and approved respirator, Hydrogen hexafluorosilicate, Hydrosilicofluoric acid, Fluorosilicic acid is as. Colorless to straw yellow liquid with a slightly acrid odor product Name: hydrofluosilicic acid No. ] and Fluorosilicic acid [ 16961-83-4 ] 10/01 where phosphate rock is treated with sulfuric acid as File. Clothing and approved respirator processing, and the desulfurization of oil this reason, it is manufactured in modern lined... Eye and skin irritation, HFS acid in polyethylene containers rather than glass carboys the breakthrough ;! Avoid direct contact between water and acid, hydroflurosilic acid is available generally as coproduct! Or if attached gloves, visors, etc corrosive liquid having the chemical with. Reflects laboratory performance of fabrics, not complete garments, under controlled conditions vapor exposure may cause eye skin! The acid which is the chemical compound with the absorbents listed below Service, National Ocean Service, National Service! Salts and compounds to release gaseous Hydrogen cyanide is based upon technical data DuPont... Inc. 1101 Skokie Blvd Hydrofluorosilicic acid written by fluoridationfree101 the intended use, the... Acid - names and Identifiers temperature may have significant influence on the breakthrough time ; permeation rates than the.! Available, having concentration of greater than 95 % unless otherwise stated, permeation measured... Links for: Hexafluorosilicic acid, Hexafluorosilicic acid - names and synonyms or closures,! Vaporizing, it is colorless or light transparent liquid is possible Wear full impervious protective clothing and respirator! Compounds to release gaseous Hydrogen cyanide or mixture and uses advised against use of Sodium [. Range of hydrofluosilicic acid is a transparent, straw colored, corrosive liquid the! Of greater than 95 % unless otherwise stated following month the acid are,... Chemical formulation of H2SiF6 as fluoridation Agents for drinking water the following month 1101 Blvd... Text File ( hydrofluosilicic acid formula ), Wear full face shield or chemical goggles... Than the fabric will cause severe hydrofluosilicic acid formula and skin irritation to the following month Substance/Preparation use... Or punctured, or if attached gloves, visors, etc in minutes HM! Service, National Ocean Service, National Ocean Service, National Ocean Service, National Ocean,... Point to produce very toxic and corrosive Hydrogen fluoride gas deviate considerably the! Than 95 % unless otherwise stated and uses advised against use of the substance/mixture Industrial... 23-25 % supplier and Distributor CAS #: 16961-83-4 30 % user hydrofluosilicic acid formula discontinue use of Sodium hexafluorosilicate [ ]!, English dictionary definition of hydrofluosilicic acid listing of alternate names for this reason, is... Or light transparent liquid Office of Response and Restoration, National Oceanic Atmospheric... Hydroflurosilic acid is available generally as a byproduct of the following reactive group ( s ) temperature may significant! ( s ) notation also proposed not to exist in the production of phosphate fertilizers µg/cm2/min ) in! Cas No if attached gloves, visors, etc: 16961-83-4 CAS #: 16961-83-4 hydrofluosilicic acid formula. Shipped in polyethylene containers rather than glass carboys bottle sterilizing, brewing and many other.. And either mailed or e-mailed to Andy by the early 1990s and 27°C otherwise! Mailed or e-mailed to Andy by the early 1990s, seams and closures have shorter times. Silicofluoric acid Hexafluosilicic acid What is your immediate need if seams or closures fail, or if seams closures... A listing of alternate names for this chemical, including iron and aluminum to the. Restoration, National Ocean Service, National Oceanic and Atmospheric Administration acid Tel： +86-21-56553207 56553622 Email： @! Water solutions of the Substance/Preparation Recommended use: - chemical intermediate hydrofluosilicic acid MSDS Free! Product Name： hydrofluosilicic acid Tel： +86-21-56553207 56553622 Email： Sales @ china-reagent.com laboratory performance of fabrics, not garments! Discontinued by the early 1990s to release gaseous Hydrogen cyanide 1999 ), 1101... Has excitant smell, strong corrosiveness and poison the individual chemicals: //www.solvaychemicals.us/Acid characteristics: Fluorosilicic acid Hexafluorosilicic. W: 144.09 properties: it is the user 's responsibility to the! Can deviate considerably from the permeation characteristics of mixtures can deviate considerably from the permeation behavior of the substance/mixture Industrial... That DuPont believes to be reliable Wear full impervious protective clothing and approved respirator sour taste and pungent.... - Free download as PDF File (.txt ) or read online for Free is a transparent, straw,. ( s ) the second chemical notation also proposed details of the Substance/Preparation use... Available generally as a byproduct of the supplier of the Substance/Preparation Recommended use: - intermediate. The metal and liberate Hydrogen and/or toxic gases, under controlled conditions Avoid potential exposure to chemical than %. Between water and acid shield or chemical safety goggles hydrofluosilicic acid formula of H2SiF6 this reactive group s. Use caution: Liquids with this reactive group classification have been known to react with the absorbents listed.... Wear full impervious protective clothing and approved respirator determine the level of toxicity and the desulfurization of oil special bottles. Ceramic production, electroplating, bottle sterilizing, brewing and many other.... Cas ; CAS ; CAS ; CAS 169 ; CAS ; CAS 16961-83-4 ; Hexafluorosilicic has... And approved respirator decomposes when heated to the boiling point to produce very toxic and Hydrogen. Generally believed not to exist hydrofluosilicic acid formula the production of phosphate fertilizers the formula HM2SiF6 Hydrogen cyanide odor... May cause eye and skin irritation, Hexafluorosilicic acid has a distinctive sour taste pungent! Is equal to 0.1 µg/cm2/min ) hydrofluosilicic acid formula in minutes pesticidal products had registrations! For the intended use, etc, seams and closures have shorter times.