Agent Name

Chromium hexacarbonyl

CAS Number

13007-92-6

Formula

C6-Cr-O6

Major Category

Metals

Synonyms

Hexacarbonyl chromium; Chromium carbonyl; [ChemIDplus] UN3466

Category

Chromium Compounds, Inorganic

Description

White solid; Sublimes at room temperature; [CAMEO] Insoluble in water; Danger of explosion if heated; [MSDSonline]

Sources/Uses

Used as a catalyst for olefin polymerization, a gasoline additive, and to prepare chromous oxide; [Merck Index]

Comments

Skin contact: dermatitis; Inhalation: perforation of nasal septum, lacrimation, and acute hepatitis; [CAMEO] A skin, eye, and respiratory tract irritant; Harmful if ingested, absorbed through skin, or inhaled; Decomposition of carbonyl compounds can yield carbon monoxide; [MSDSonline] "A water-insoluble chromium [0] compound (chromium carbonyl) did not induce DNA damage in bacteria." [IARC] See "Chromium."

Exposure Assessment
Vapor Pressure

0.26 mm Hg

Lethal Concentration

LCLo (rat) = 35 mg/ m3/30min

Explanatory Notes

VP = 1 mm Hg at 97 deg F; [CAMEO] Explodes at 204 deg C; [Hawley] VP = 0.26 mmHG at 20 deg C; mp = 150 deg C; [MSDSonline] The Guide in the Emergency Response Guidebook is for "Metal carbonyls, solid, n.o.s."

Adverse Effects
Lacrimator

Yes

Hepatotoxin

Hepatotoxin, Secondary

Links to Other NLM Databases
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Chemical Information

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