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01713

Cryolite

≥97.0% (from F), powder, synthetic

Synonym(s):

Kryolith, Sodium hexafluoroaluminate

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About This Item

Linear Formula:
Na3AlF6
CAS Number:
15096-52-3
Molecular Weight:
209.94
UNSPSC Code:
12161600
PubChem Substance ID:
57646698
NACRES:
NA.22
MDL number:
MFCD00003507
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Product Name

Cryolite, synthetic, ≥97.0% (from F)

Quality Segment

assay

≥97.0% (from F)

form

powder

quality

synthetic

reaction suitability

core: aluminum, reagent type: inorganic 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

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.

Signal Word

Danger

Hazard Codes

H332,H372,H411

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 2 - STOT RE 1

Storage Class

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

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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