CHROMIUM(II) CHLORIDE 10049-05-5

Chromium chloride, chemical formula CrCl₃. Molecular weight 158.36. Deep green crystalline powder. Soluble in water, soluble in ethanol, insoluble in ether. Forms a green solution after prolonged boiling with water. Decomposes upon heating. When heated in air, it converts to chromium trioxide. It sublimates in a chlorine gas stream. When heated with carbon tetrachloride at 400°C, it forms a kinetically inert purple anhydrous compound. The hexahydrate exists in three variants: deep green, light green, and purple. In aqueous solutions, it forms a mixture of deep green and purple, but in organic solvents such as DMSO, DMF, and ethanol, it appears dark green.

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Model:
10049-05-5
Brand:
Boss Chemical
Code:
10049-05-5

Product Description

CHROMIUM(II) CHLORIDE Basic information
Physical Properties Uses Preparation
Product Name:	CHROMIUM(II) CHLORIDE
CAS:	10049-05-5
MF:	Cl2Cr
MW:	122.9
EINECS:	233-163-3
Mol File:	10049-05-5.mol
CHROMIUM(II) CHLORIDE Chemical Properties
Melting point	824 °C(lit.)
Boiling point	1120°C (estimate)
density	2.9 g/mL at 25 °C(lit.)
storage temp.	Store below +30°C.
solubility	soluble in H2O
form	powder
color	Off-white to green-gray
Specific Gravity	2.878
Water Solubility	Soluble in water. Insoluble in alcohol and ether.
Sensitive	Air & Moisture Sensitive
Crystal Structure	CaCl2 type
crystal system	Nogata
Merck	142,244
Space group	Pnnm
Lattice constant	a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
Lattice constant	0.598	0.664	0.348	90	90	90	0.1382
Exposure limits	NIOSH: IDLH 250 mg/m3; TWA 0.5 mg/m3
Stability:	Stable, but decomposes in water or moist air. Incompatible with water, oxidizing agents, active metals.
CAS DataBase Reference	10049-05-5(CAS DataBase Reference)
EPA Substance Registry System	Chromium(II) chloride (10049-05-5)