dichromium iron tetraoxide
- CAS No.
- 1308-31-2
- Chemical Name:
- dichromium iron tetraoxide
- Synonyms
- Chromite.;CHROMITEORE;iron chromite;iron chromate;FERROCHROMITE;CHROMITEOREROAST;CHROMITE(MINERAL);Chromite (Cr2FeO4);chromite processed;chromite homog mineral
- CBNumber:
- CB9933716
- Molecular Formula:
- CrFeH2O
- Molecular Weight:
- 125.86
- MDL Number:
- MOL File:
- 1308-31-2.mol
| Density | 5.000 |
|---|---|
| form | black cubic crystals |
| color | black cubic crystals, crystalline |
| Water Solubility | insoluble H2O [CRC10] |
| Dielectric constant | 4.0（Ambient） |
| FDA UNII | W86U2Q2334 |
| EPA Substance Registry System | Chromite (Cr2FeO4) (1308-31-2) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  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 |
dichromium iron tetraoxide Chemical Properties,Uses,Production
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
Uses
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.
dichromium iron tetraoxide Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shaanxi Didu New Materials Co. Ltd | +86-89586680 +86-13289823923 | 1026@dideu.com | China | 9020 | 58 |
| LEAP CHEM CO., LTD. | +86-852-30606658 | market18@leapchem.com | China | 24738 | 58 |
| Chizhou Kailong Import and Export Trade Co., Ltd. | xg01_gj@163.com | China | 9503 | 50 | |
| Shaanxi DIDU pharmaceutical and Chemical Co., Ltd | 15229059051 | 1027@dideu.com | China | 9944 | 58 |
| Hubei Enxing Biotechnology Co., Ltd | 16621771607 | exbio_tech@163.com | China | 8352 | 58 |
| Hangzhou Bingochem Co., Ltd. | 0571-87632989 | sales@bingochem.com | China | 21673 | 58 |