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Home/Compounds/Industrial Chemical/Iron(II,III) oxide
Fe3O4
231.53 g/mol
Industrial ChemicalWarning

Ferriferrous Oxide

CAS1317-61-9EC215-277-5
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
Black pigment and magnetic material

Ferriferrous Oxide is an inorganic compound that serves as a black pigment and magnetic material. It consists of iron in mixed oxidation states and is commonly used in industrial applications for its coloring and magnetic properties.

Black pigmentMagnetic materialFiller

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Safety Reference

Flammable
Flammable
Harmful
Harmful
Warning
H252Self-heating in large quantities; may catch fire
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for Ferriferrous Oxide (CAS 1317-61-9) is 2821.10.

HS code (international, 6-digit)

2821.10

EU CN code (8-digit)

2821 10 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

oxoiron;oxo(oxoferriooxy)iron

InChIKey

SZVJSHCCFOBDDC-UHFFFAOYSA-N

SMILES

O=[Fe].O=[Fe]O[Fe]=O

Synonyms (20)
  • Black Iron Oxide
  • Ferriferrous Oxide
  • Ferrosoferric Oxide
  • Iron (II, III) Oxide
  • Iron Oxide Black
  • Iron Oxide Pigment Black
  • Iron ores, magnetite
  • Iron oxide (Fe3O4)
  • Iron(II,III) oxide, CP
  • Magnetic Black
  • Oxide, Ferriferrous
  • Oxide, Ferrosoferric
  • ferric ferrous oxide
  • iron(II) diiron(III) oxide
  • oxoiron;oxo(oxoferriooxy)iron

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