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01713

Sigma-Aldrich

Kryolith

synthetic, ≥97.0% (from F)

Synonym(e):

Natriumhexafluoroaluminat

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About This Item

Lineare Formel:
Na3AlF6
CAS-Nummer:
15096-52-3
Molekulargewicht:
209.94
MDL-Nummer:
MFCD00003507
UNSPSC-Code:
12161600
PubChem Substanz-ID:
57646698
NACRES:
NA.22

Qualitätsniveau

100

Assay

≥97.0% (from F)

Form

powder

Qualität

synthetic

Eignung der Reaktion

core: aluminum
reagent type: catalyst

Verunreinigungen

≤0.5% silicic acid (as SiO2)

Verlust

≤0.5% loss on drying, 105 °C

Kationenspuren

Fe: ≤500 mg/kg

Lagertemp.

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

InChIKey

REHXRBDMVPYGJX-UHFFFAOYSA-H

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Verwandte Kategorien

Anwendung

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

Signalwort

Danger

Gefahreneinstufungen

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

Lagerklassenschlüssel

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

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

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

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Analysenzertifikate (COA)

Lot/Batch Number
BCCJ2923
BCCG1180
BCCD8438
BCCD1905
BCCB8145

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Effects of airborne fluorides on workers at a cryolite production plant.
Y Baba et al.
Gaoxiong yi xue ke xue za zhi = The Kaohsiung journal of medical sciences, 1(4), 226-233 (1985-04-01)
Tone Sjåheim et al.
American journal of industrial medicine, 50(6), 443-448 (2007-05-12)
Aluminum potroom asthma (PA) has been described in several reports. This study aimed to investigate the association between blood eosinophils and PA. In a cross-sectional study, 338 workers were examined as follows: spirometry, blood eosinophils, skin prick test, and work
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
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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