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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 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

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.

signalword

Danger

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

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN4709
BCCN0248
BCCJ2923
BCCG1180
BCCD8438

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Liangshi Wang et al.
Journal of hazardous materials, 209-210, 77-83 (2012-01-28)
This paper investigates the development of a new environment friendly approach for treatment of bastnasite. A new process was developed to recover fluorine from bastnasite as synthetic cryolite by-product. The conditions affecting the fluorine removal and recovery in the process
Extended follow-up of cancer incidence in fluoride-exposed workers.
Philippe Grandjean et al.
Journal of the National Cancer Institute, 96(10), 802-803 (2004-05-20)
T K Semennikova et al.
Gigiena truda i professional'nye zabolevaniia, (3)(3), 6-8 (1992-01-01)
Over 1000 workers of hydrofluoric and cryolite enterprises and electrolysis shops of aluminium enterprises were examined. Subjects exposed to soluble hydrofluorides presented in the early stage of chronic intoxication with a variety of syndromes, that was characteristic of intoxication with
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Global Trade Item Number

SKUGTIN
01713-2.5KG-R04061838610133
01713-6X2.5KG-R04061833544235