1308-31-2

Basic information

• Product Name: dichromium iron tetraoxide
• Synonyms: Chromite (Cr2FeO4);Chromite.;FERROCHROMITE;CHROMITEORE;CHROMITE(MINERAL);CHROMITEOREROAST;chromite (mineral) (cr2feo4);chromite homog mineral
• CAS NO: 1308-31-2
• Molecular Formula: Cr2FeO4
• Molecular Weight: 223.85
• EINECS: 215-159-3
• Mol File: 1308-31-2.mol
• Article Data: 0

Chemical Properties

• Appearance: /black cubic crystals
• Density: 5.000
• Water Solubility: insoluble H2O [CRC10]
• CAS DataBase Reference: dichromium iron tetraoxide(CAS DataBase Reference)
• NIST Chemistry Reference: dichromium iron tetraoxide(1308-31-2)
• EPA Substance Registry System: dichromium iron tetraoxide(1308-31-2)

Safety Data

• Hazardous Substances Data: 1308-31-2(Hazardous Substances Data)

Usage

Description

Dichromium iron tetraoxide, also known as chromite, is a natural oxide of ferrous iron and chromium, which may also contain magnesium and aluminum. It is typically found in magnesium and iron-rich igneous rocks. This mineral exhibits an iron-black to brownish-black color with a dark-brown streak and possesses a metallic to submetallic luster. It has a Mohs hardness of 5.5.

Uses

Used in Metallurgical Industry:
Dichromium iron tetraoxide is used as a raw material for the production of chromium and its compounds. It plays a crucial role in the metallurgical industry due to its high chromium content, which is essential for various applications, including the production of stainless steel, alloy steel, and other chromium-containing alloys.
Used in Refractory Industry:
In the refractory industry, dichromium iron tetraoxide is utilized as a refractory material. Its high melting point and excellent thermal stability make it suitable for use in high-temperature applications, such as furnace linings and other heat-resistant components.
Used in Chemical Industry:
Dichromium iron tetraoxide is employed as a catalyst in the chemical industry. Its unique chemical properties allow it to facilitate various chemical reactions, contributing to the production of different chemicals and compounds.
Used in Foundry Industry:
In the foundry industry, dichromium iron tetraoxide is used as a sand additive. Its high melting point and thermal stability help improve the quality of cast iron and steel, ensuring better casting properties and reduced defects.
Used in Construction Industry:
Dichromium iron tetraoxide is also used in the construction industry as an aggregate in the production of concrete and other building materials. Its durability and resistance to wear make it a valuable component in the construction of roads, bridges, and other infrastructure projects.
Used in Environmental Applications:
Dichromium iron tetraoxide can be used in environmental applications, such as soil stabilization and waste management. Its chemical properties make it suitable for improving soil structure and reducing the mobility of contaminants in the environment.

Hazard

A confirmed carcinogen.

Safety Profile

Confirmed human carcinogen during ore processing. Human mutation data reported. See also CHROMIUM COMPOUNDS and IRON.