Chromtribromid

Chromium (III) Bromide Struktur
10031-25-1
CAS-Nr.
10031-25-1
Bezeichnung:
Chromtribromid
Englisch Name:
Chromium (III) Bromide
Synonyma:
Einecs 233-088-6;Chromium(IV)bromide;Chromium(Ⅲ) bromide;chromiumbromide(crbr3);chromium(3+),tribromide;Chromium(III) tribromide;Chromium(III) Bromide Powder;CHROMIUM BROMIDE ISO 9001:2015 REACH;CHROMIUM(III)BROMIDE,ANHYDROUSFLAKES,99%;Chromium(III) bromide, anhydrous flakes, 99%
CBNumber:
CB7506824
Summenformel:
Br4Cr
Molgewicht:
371.6121
MOL-Datei:
10031-25-1.mol

Chromtribromid Eigenschaften

Schmelzpunkt:
1130°C
Dichte
4.680
Löslichkeit
soluble in hot H2O, benzene
Aggregatzustand
dark green hexagonal crystals
Farbe
dark green hexagonal, hexane crystals, crystalline
Wasserlöslichkeit
insoluble cold H2O, soluble hot H2O [HAW93]
Stabilität:
hygroscopic
EPA chemische Informationen
Chromium bromide (CrBr3) (10031-25-1)

Sicherheit

Chromtribromid Chemische Eigenschaften,Einsatz,Produktion Methoden

Chemische Eigenschaften

black crystal(s); used as a catalyst for polymerization of olefins [HAW93]

synthetische

Electrolytic Cr powder is spread in a thin layer in a quartz reactor tube and bromine vapor, predried over PSO5, is passed over the Cr in a stream of O2-free, dry N2 or Ar. The quartz tube is heated to about 1000°C, after that the two elements combine with incandescence at the beginning of the reaction. The unconverted Br2 is condensed in a receiver cooled in an ice-salt mixture. After 45-60 minutes, the material can cool while maintaining the gas stream. The lustrous black, leafy crystals of CrBr3 are purified by several extractions with absolute ether and decantations with ice water (to remove traces of adhering CrBr2). preparation of Chromium (III) Bromide

Chromtribromid Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Chromtribromid Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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10031-25-1(Chromtribromid)Verwandte Suche:


  • Chromium(Ⅲ) bromide
  • Chromium(III) tribromide
  • Einecs 233-088-6
  • chromiumbromide(crbr3)
  • CHROMIUM(III)BROMIDE,ANHYDROUSFLAKES,99%
  • Chromium(IV)bromide
  • Chromium(III) bromide, anhydrous flakes, 99%
  • chromium(3+),tribromide
  • CHROMIUM BROMIDE ISO 9001:2015 REACH
  • Chromium(III) Bromide Powder
  • 10031-25-1
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