01713

Cryolite

synthetic, ≥97.0% (from F)

• Synonym(s): Kryolith, Sodium hexafluoroaluminate
• Linear Formula: Na₃AlF₆
• CAS Number: 15096-52-3
• Molecular Weight: 209.94
• MDL number: MFCD00003507
• UNSPSC Code: 12161600
• PubChem Substance ID: 57646698
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: ≥97.0% (from F)
• form: powder
• quality: synthetic
• reaction suitability: core: aluminum; reagent type: catalyst
• impurities: ≤0.5% silicic acid (as SiO₂)
• loss: ≤0.5% loss on drying, 105 °C
• cation traces: Fe: ≤500 mg/kg
• storage temp.: 2-30°C
• SMILES string: [Na+].[Na+].[Na+].F[Al-3](F)(F)(F)(F)F
• InChI: 1S/Al.6FH.3Na/h;6*1H;;;/q+3;;;;;;;3*+1/p-6
• InChI key: REHXRBDMVPYGJX-UHFFFAOYSA-H

Description

Application

Cryolite is commonly used as an electrolyte for aluminum electrolysis. Alumina is dissolved in molten cryolite is used to dissolve alumina during aluminium processing.

Safety Information

• Pictograms: GHS08,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H332,H372,H411
• Precautionary Statements: P260 - P264 - P271 - P273 - P304 + P340 + P312 - P314
• Hazard Classifications: Acute Tox. 4 Inhalation - Aquatic Chronic 2 - STOT RE 1
• Storage Class Code: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves