1308-31-2

Name dichromium iron tetraoxide
CAS 1308-31-2
EINECS(EC#) 215-159-3
Molecular Formula Cr2FeO4
Molecular Weight 125.86
MOL File 1308-31-2.mol
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Chemical Properties

Definition A natural oxide of ferrous iron and chromium, sometimes with magnesium and aluminum present. Usually occurs in magnesium and iron-rich igneous rocks.
Appearance Iron-black to brownish-black color, dark-brown streak, metallic to submetallic luster. Mohs hardness 5.5.
density  5.000
form  black cubic crystals
color  black cubic crystals, crystalline
Water Solubility  insoluble H2O [CRC10]
Dielectric constant 4.0（Ambient）
Uses
Only commercial source of chromium and its compounds.
EPA Substance Registry System Chromite (Cr2FeO4) (1308-31-2)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H332-H317-H302
Precautionary statements  P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P261-P271-P304+P340-P312-P264-P270-P301+P312-P330-P501
Safety Profile
Confirmed human carcinogen during ore processing. Human mutation data reported. See also CHROMIUM COMPOUNDS and IRON.
Hazardous Substances Data 1308-31-2(Hazardous Substances Data)

Hazard Information

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