Hexafluorosilicic acid, 23% w/w aq. soln., Thermo Scientific Chemicals

Description

It is mainly produced as a precursor to aluminum trifluoride and synthetic cryolite. It is commonly used as a source of fluoride for water fluoridation. Hexafluorosilicic acid is also converted to a variety of useful hexafluorosilicate salts. The potassium salt is used in the production of porcelains, the magnesium salt.

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.

Specifications

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

• Color: White through Yellow
• Physical Form: Liquid
• Quantity: 500 g
• UN Number: UN1778
• Merck Index: 14,4182
• Solubility Information: Fully miscible in water.
• Formula Weight: 144.09
• Concentration or Composition (by Analyte or Components): 23% w/w aq. soln.
• Density: 1.223g/mL
• Chemical Name or Material: Hexafluorosilicic acid

Safety and Handling

Hazard Category	H314
Hazard Statement	GHS H Statement H314 Causes severe skin burns and eye damage.
Precautionary Statement	P260-P264b-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c
DOTInformation	Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: FLUOROSILICIC ACID
EINECSNumber	241-034-8
RTECSNumber	VV8225000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only