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7789-75-5 - Calcium fluoride, 99.95% (metals basis) - 10998 - Alfa Aesar

10998 Calcium fluoride, 99.95% (metals basis)

CAS-Nummer
7789-75-5
Synonyme

Größe Preis ($) Menge Verfügbarkeit
25g 62,00
100g 161,00
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Calcium fluoride, 99.95% (metals basis)

MDL
MFCD00010907
EINECS
232-188-7

Chemische Eigenschaften

Formel
CaF2
Molmasse
78.08
Form
-325 Mesh Powder
Schmelzpunkt
1403°
Siedepunkt
ca 2500°
Dichte
3.18
Brechungsindex
1.434
Sensitivität
Hygroscopic
Löslichkeit
Slightly soluble in acid; insoluble in acetone.

Anwendungen

Calcium fluoride is the commercially important source for fluoride compounds as well as hydrogen fluoride. It is transparent from ultraviolet to infrared region. It is used in spectroscopy, thermal imaging systems and excimer lasers; it is also used in the manufacturing of optical components including windows, prisms and lenses. In addition, it is also used in aluminum-metallurgy, brake lining manufacturing industries, and in tooth enamel.

Bemerkungen

Hygroscopic. On contact with strong acids, it produces hydrogen fluoride.

Literaturverweise

Wasem, M.; Köser, J.; Hess, S.; Gnecco, E.; Ernst Meyer, E. Exploring the Retention Properties of CaF2 Nanoparticles as Possible Additives for Dental Care Application with Tapping-mode Atomic Force Microscope in Liquid. Beilstein J. Nanotechnol. 2014, 5, 36-43.

Mundupuzhakal, J. K.; Biswas, R. H.; Chauhan, S.; Varma, V.; Acharya, Y. B.; Chakrabarty, B. S. Effect Of Thermal Annealing on the Thermoluminescent Properties of Nano-Calcium Fluoride and Its Dose-Response Characteristics. Radiat. Prot. Dosim. 2014, ncu333.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H303-H315-H319-H335

May be harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Sicherheitshinweise: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. 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
14,1667
Harmonized Tariff Code
2826.19
TSCA
Yes
RTECS
EW1760000

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