CHROMIUM(II) CHLORIDE manufacturers and suppliers

CHROMIUM(II) CHLORIDE suppliers

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

Specific Gravity: 2.878

color: Off-white to green-gray

Water Solubility: Soluble in water. Insoluble in alcohol and ether.

Sensitive: Air & Moisture Sensitive

Crystal Structure: CaCl2 type

crystal system: Nogata

Merck: 14,2244

Space group: Pnnm

Lattice constant

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
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)

Safety Information

Symbol(GHS): GHS07

Signal word: Warning

Hazard statements: H302

Precautionary statements: P301+P312+P330

Hazard Codes: Xn

Risk Statements: 22-36/37/38

Safety Statements: 26-36

WGK Germany: 3

RTECS: GB5250000

F: 1-10

TSCA: Yes

HS Code: 2827 39 85

Hazardous Substances Data: 10049-05-5(Hazardous Substances Data)

Toxicity: LD50 orally in rats: 1.87 g/kg (Smyth)

Use

Inorganic reducing agents, such as CHROMIUM(II) CHLORIDE, react with oxidizing agents to generate heat and products that may be flammable, combustible, or otherwise reactive. Their reactions with oxidizing agents may be violent. Long storage of a CHROMIUM(II) CHLORIDE solution culminated in an explosion. This was ascribed to the slow buildup of hydrogen gas that was produced by reduction of water by the Cr(II) ion [MCA Case History No. 1660].

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