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Hexafluorosilicic acid, 35% w/w aq. soln., Thermo Scientific Chemicals Product Code.: 11393696
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Hexafluorosilicic acid, 35% w/w aq. soln., Thermo Scientific Chemicals

Product Code. 11393696
2500 g
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2500 g
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Product Code. 11393696

Brand: Thermo Scientific Alfa Aesar L14829.0E

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Description

CAS: 16961-83-4 | F6H2Si | 144.091 g/mol

Hexafluorosilicic acid is commonly used as a source of fluoride. It is converted to a variety of useful hexafluorosilicate salts. It is also used as an electrolyte in the Betts electrolytic process for refining lead. It is an important organic reagent for cleaving Si-O bonds of silyl ethers. Further, it is used as wood a preservation agent and also used in surface modification of calcium carbonate.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Hexafluorosilicic acid is commonly used as a source of fluoride. It is converted to a variety of useful hexafluorosilicate salts. It is also used as an electrolyte in the Betts electrolytic process for refining lead. It is an important organic reagent for cleaving Si-O bonds of silyl ethers. Further, it is used as wood a preservation agent and also used in surface modification of calcium carbonate.

Solubility
Miscible with water.

Notes
Incompatible in strong oxidizing agents, metals, alkalis, strong acids, stoneware and glass.

Chemical Identifiers

CAS 16961-83-4
Molecular Formula F6H2Si
Molecular Weight (g/mol) 144.091
MDL Number MFCD00036289
InChI Key OHORFAFFMDIQRR-UHFFFAOYSA-P
Synonym hexafluorosilicic acid, fluorosilicic acid, dihydrogen hexafluorosilicate, silicate 2-, hexafluoro-, dihydrogen, hexafluorosilicon 2-; hydron, dihydrogen hexafluorosilanediuide, silicofluoridd, hexafluorosilic acid, hydrofluorosilic acid, kieselfluorwasserstoffsaure
PubChem CID 21863527
IUPAC Name hexafluorosilicon(2-);hydron
SMILES [H+].[H+].F[Si-2](F)(F)(F)(F)F

Specifications

Boiling Point 108°C to 109°C
Quantity 2500 g
Linear Formula H2SiF6
UN Number UN1778
Merck Index 14,4182
Solubility Information Miscible with water.
Formula Weight 144.09
Concentration or Composition (by Analyte or Components) 35% w/w aq. soln.
Density 1.32
Chemical Name or Material Hexafluorosilicic acid

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5 results found
Lot Number Certificate Type Date Catalog Number
Lot Number10249143 Certificate TypeCertificate of Analysis Date20/12/2023 Catalog NumberL14829.22,L14829.36,L14829.0E
Lot Number10242045 Certificate TypeCertificate of Analysis Date19/07/2022 Catalog NumberL14829.22,L14829.36,L14829.0E
Lot Number10241393 Certificate TypeCertificate of Analysis Date20/06/2022 Catalog NumberL14829.22,L14829.36,L14829.0E
Lot Number10183851 Certificate TypeCertificate of Analysis Date08/12/2021 Catalog NumberL14829.22,L14829.36,L14829.0E
Lot Number10185156 Certificate TypeCertificate of Analysis Date08/12/2021 Catalog NumberL14829.22,L14829.36,L14829.0E

Safety and Handling

compliance-icons
Product Identifier
  • Hexafluorosilicic acid, 35% w/w aqueous solution
 Signal Word
  • Danger
 Hazard Category
  • Serious eye damage/eye irritation Category 1
  • Skin corrosion/irritation Category 1 B
 Hazard Statement
  • H314-Causes severe skin burns and eye damage.
  • H318-Causes serious eye damage.
 Precautionary Statement
  • P260-Do not breathe dust/fume/gas/mist/vapours/spray.
  • P264-Wash face, hands and anyexposed skin thoroughly after handling.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P310-Immediately call a POISON CENTER/doctor/.
 Supplemental information
  • MIXTURE LIST-Contains : Fluorosilicic acid
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RUO – Research Use Only

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