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44495 Potassium hexafluorosilicate, 99.999% (metals basis)

CAS-Nummer
16871-90-2
Synonyme

Stock No. Größe Preis ($) Menge Verfügbarkeit
44495-09 10g 63,10
44495-18 50g 201,00
44495-30 250g 749,00
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Potassium hexafluorosilicate, 99.999% (metals basis)

MDL
MFCD00040666
EINECS
240-896-2

Chemische Eigenschaften

Formel
F6K2Si
Molmasse
220.28
Form
Crystalline
Schmelzpunkt
dec.
Dichte
2.27
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.
Löslichkeit
Slightly soluble in water.

Anwendungen

Potassium hexafluorosilicate is used in the production of porceleins. It is also used for the preservation of timber. It is involved in the manufacturing of ceramics, aluminum and magnesium smelting. In addition, it is used as an intermediate in the manufacturing of optical glass.

Bemerkungen

Moisture sensitive. Incompatible with strong oxidizing agents.

Literaturverweise

Wang, H.; Li, R.; Fan, C.; Feng, J.; Jiang, S.; Han, Z. Effects of acidic concentrations, temperatures and nitrates on the solubility of K2SiF6 in phosphoric acid and nitric acid solutions. J. Fluorine Chem. 2015, 178, 93-98.

Chae, I. S.; Kim, M.; Kang, Y. S.; Kang, S. W. Enhanced CO2 carrier activity of potassium cation with fluorosilicate anions for facilitated transport membranes. J. Membr. Sci. 2014, 466, 357-360.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H301-H311-H331

Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled.

Sicherheitshinweise: P261-P280h-P301+P310a-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/clothing. IF SWALLOWED: Immediately call a POISON CENTER/doctor IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,7638
Gefahrenklasse
6.1
Verpackungsgruppe
III
Harmonized Tariff Code
2826.90
TSCA
Yes

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