dichromium iron tetraoxide
- CAS NO.：1308-31-2
- Empirical Formula: CrFeH2O
- Molecular Weight: 125.86
- EINECS: 215-159-3
- Update Date: 2024-12-21 16:41:56
What is dichromium iron tetraoxide?
Chemical properties
Iron-black to brownish-black color, dark-brown streak, metallic to submetallic luster. Mohs hardness 5.5.
Physical properties
Habit: massive, granular, nuggets.
Color: black or brownish black.
Luster: metallic.
Diaphaneity: opaque.
Streak: brown.
Cleavage: none.
Twinning: {111}.
Fracture: uneven to
conchoidal.
Others: weakly magnetic.
Thermal conductivity of 1.73–2 W.m–1K–1
The Uses of dichromium iron tetraoxide
Only commercial source of chromium and its compounds.
Definition
A natural oxide of ferrous iron and chromium, sometimes with magnesium and aluminum present. Usually occurs in magnesium and iron-rich igneous rocks.
Hazard
A confirmed carcinogen.
Industrial uses
Only commercial source of chromium used in the metallurgical industry (85%) mainly as Fe–Cr for steelmaking, in the refractory and foundry market (8%) and in the chemical industry (7%).
Safety Profile
Confirmed human carcinogen during ore processing. Human mutation data reported. See also CHROMIUM COMPOUNDS and IRON.
Properties of dichromium iron tetraoxide
| Density | 5.000 |
| form | black cubic crystals |
| color | black cubic crystals, crystalline |
| Water Solubility | insoluble H2O [CRC10] |
| Dielectric constant | 4.0（Ambient） |
| EPA Substance Registry System | Chromite (Cr2FeO4) (1308-31-2) |
Safety information for dichromium iron tetraoxide
Computed Descriptors for dichromium iron tetraoxide
dichromium iron tetraoxide manufacturer
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