Hydrofluosilicic acid safety sheet

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May 24, 2019 · Hydrofluosilicic Acid 16961-83-4 SECTION 1: PRODUCT AND COMPANY IDENTIFICATION ... The information provided in this Safety Data Sheet has been obtained from sources ... SAFETY DATA SHEET Page 1 of 4 SECTION 1 -COMPANY INFORMATION. ... Inorganic, N.O.S. (Hydrofluosilicic Acid, Phosphoric Acid and Oxalic), Class 8, UN3264, PG II . Strong alkalis, metals, glass, stoneware, strong concentrated acids such as sulfuric and perchloric acid, chlorites, combustible solids and organic peroxides. Hydrofluosilicic acid may react violently with water. It may dissociate to form extremely toxic hydrofluoric acid (HF). When working on the fluoridation system, the operator needs to use safety equipment consisting of neoprene apron, gloves, and goggles. Ventilation must be provided. An exhaust fan and solution-tank vents help protect against indoor acid fumes which could etch glass and corrode electrical equipment.
 

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SAFETY DATA SHEET SECTION 1 PRODUCT AND COMPANY IDENTIFICATION Trade Name: Hydrofluosilicic Acid Chemical Name: Silicate(2-), hexafluoro-,dihydrogen CAS Number: 16961-83-4 Chemical Family: Inorganic Fluorides Synonyms: Fluorosilicic Acid, Fluosilicic Acid, Hexafluosilicic Acid, HFS, FSA Primary Use: Industrial Chemical, Water treatment Hydrofluosilicic Acid (HFSA) Q & A . Safety and Environmental Impact . Q 1. Is HFSA safe? Health Canada strongly recommends that all products added to drinking water during its treatment and distribution be certified as meeting the appropriate NSF standard(s). This is true for all additives used Hydrofluorosilicic Acid Safety Data Sheet 217 04/30/2015 EN (English) SDS Ref.: 217 2/12 11/20/2012 Signal word (GHS-US) : Danger Hazard statements (GHS-US) : H302 - Harmful if swallowed H314 - Causes severe skin burns and eye damage H318 - Causes serious eye damage H332 - Harmful if inhaled H402 – Harmful to aquatic life When working on the fluoridation system, the operator needs to use safety equipment consisting of neoprene apron, gloves, and goggles. Ventilation must be provided. An exhaust fan and solution-tank vents help protect against indoor acid fumes which could etch glass and corrode electrical equipment.
 

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The information provided in this Safety Data Sheet is correct to the best of our knowledge, and have been obtained from resources believed to be reliable. The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, section 1 product and company identification trade name: hydrofluosilicic acid ... the safety of this product, or Hydrofluorosilicic Acid Safety Data Sheet 217 04/30/2015 EN (English) SDS Ref.: 217 2/12 11/20/2012 Signal word (GHS-US) : Danger Hazard statements (GHS-US) : H302 - Harmful if swallowed H314 - Causes severe skin burns and eye damage H318 - Causes serious eye damage H332 - Harmful if inhaled H402 – Harmful to aquatic life Hexafluorosilicic Acid is generally immediately available in most volumes. Ultra high purity and high purity compositions improve both optical quality and usefulness as scientific standards. Nanoscale elemental powders and suspensions, as alternative high surface area forms, may be considered. Fluorosilicic Acid (FSA) Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations 08/21/2017 EN (English) 2/8

Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. 8.3 Individual protection measures, such as personal protective equipment (PPE) Eye/face protection. Safety glasses with side-shields conforming to EN166. FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. Attacks glass and materials containing silica. Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides).

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MATERIAL SAFETY DATA SHEET ... Incompatible Materials: Soluble calcium salt solutions and hydrofluoric or hydrofluosilicic acid could cause precipitations. Materials Safety Data Sheet. Ingestion: Immediately rinse mouth with water. If swallowed, do NOT induce vomiting. Give a glass of water. Seek immediate medical assistance. Swallowing can result in nausea, vomiting, diarrhoea, abdominal pain and chemical burns to the gastrointestinal tract. Avoid contact with foodstuffs. A severe eye irritant.