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01713

Sigma-Aldrich

Cryolite

synthetic, ≥97.0% (from F)

Sinônimo(s):

Kryolith, Sodium hexafluoroaluminate

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About This Item

Fórmula linear:
Na3AlF6
Número CAS:
15096-52-3
Peso molecular:
209.94
Número MDL:
MFCD00003507
Código UNSPSC:
12161600
ID de substância PubChem:
57646698
NACRES:
NA.22

Nível de qualidade

100

Ensaio

≥97.0% (from F)

forma

powder

qualidade

synthetic

adequação da reação

core: aluminum
reagent type: catalyst

Impurezas

≤0.5% silicic acid (as SiO2)

perda

≤0.5% loss on drying, 105 °C

traços de cátion

Fe: ≤500 mg/kg

temperatura de armazenamento

2-30°C

cadeia de caracteres SMILES

[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

chave InChI

REHXRBDMVPYGJX-UHFFFAOYSA-H

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Aplicação

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

Palavra indicadora

Danger

Frases de perigo

H332,H372,H411

Classificações de perigo

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

Código de classe de armazenamento

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

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

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Certificados de análise (COA)

Lot/Batch Number
BCCJ2923
BCCG1180
BCCD8438
BCCD1905
BCCB8145

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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
S V Kuz'min et al.
Meditsina truda i promyshlennaia ekologiia, (6)(6), 14-17 (2012-09-25)
Federal budgetary establishment of a science "the Ekaterinburg medical centre of science of preventive maintenance and health protection of workers industrial plants". Findings are that adaptation level and life quality parameters progressively decrease with longer length of service. The most
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)
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
R K Bansal et al.
The Journal of prosthetic dentistry, 73(2), 210-213 (1995-02-01)
Zinc oxide, the inorganic component of polycarboxylate cement, was mixed with the filler cryolite (Na3A1F6) in various proportions that ranged from 10% to 50%. These powder combinations were mixed with polyacrylic acid in three powder-to-liquid ratios of 1:1, 1.5:1, and
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