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13455-21-5 - Potassium fluoride dihydrate, 98.5+% - 11555 - Alfa Aesar

11555 Potassium fluoride dihydrate, 98.5+%

CAS-Nummer
13455-21-5
Synonyme

Größe Preis ($) Menge Verfügbarkeit
25g 10,30
250g 46,30
1kg 154,00
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Potassium fluoride dihydrate, 98.5+%

MDL
MFCD00149929
EINECS
232-151-5

Chemische Eigenschaften

Formel
KF•2H2O
Molmasse
94.13 (58.10anhy)
Form
Crystalline
Schmelzpunkt
41°
Dichte
2.5
Brechungsindex
1.352
Sensitivität
Hygroscopic
Löslichkeit
Freely soluble in waterSoluble in water. Insoluble in ethanol.

Anwendungen

Potassium fluoride dihydrate is used as a stationary phase in gas chromatography. It is also used for the conversion of chlorocarbons into fluorocarbons through Finkelstein reaction. Further, it is used as a fluxing agent of silver brazing and metallurgical processing. It serves as an analytical reagent, complexing agent and masking agent.

Bemerkungen

Hygroscopic. Moisture sensitive. Incompatible with strong acids and oxidizing agents.

Literaturverweise

Reiner, M.; Reiss, M.; Brünig, T.; Knuuttila, L.; Pietschnig, R.; Ostermaier, C. Chemical understanding and utility of H3PO4 etching of group-III-nitrides. Phys. Status Solidi B 2015, 252 (5), 1121-1126.

Kai, Y.; Hu, Y.; Wang, K.; Zhi, W.; Liang, M.; Yang, W. A highly selective colorimetric and ratiometric fluorescent chemodosimeter for detection of fluoride ions based on 1, 8-naphthalimide derivatives. Spectrochim. Acta, Part A 2014, 118, 239-243.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H301-H311-H331

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

Sicherheitshinweise: P260u-P201-P280h-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310a-P405-P501a

Obtain special instructions before use. Wear protective gloves/clothing. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. 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
14,7632
Gefahrenklasse
6.1
Verpackungsgruppe
III
Harmonized Tariff Code
2826.19
TSCA
Yes

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