Fe3O4
231.53 g/mol
Dye & PigmentWarning
Ferriferrous Oxide
CAS12227-89-3EC215-277-5
Category
Dye & Pigment
Compound Class
Inorganic Salt
Primary Use
black pigment for paints and coatings
Ferriferrous Oxide is a black inorganic pigment commonly used in paints and coatings. It consists of iron in multiple oxidation states and is also employed as a magnetic material and filler.
black pigment for paints and coatingsmagnetic elementfiller
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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Related Compounds
StrongSame Parent
Iron(II,III) oxide
CAS1317-61-9
Black pigment and magnetic material
StrongSame Parent
Governor
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pharmaceutical raw material
StrongSame Parent
Ferrous chloride
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reducing agent and mordant
ReferenceSame Category
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Pigment for plastics
ReferenceSame Category
Reactive blue 21
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reactive dye for textile coloring
ReferenceSame Category
Pigment Violet 27
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Disperse dye for textiles
ReferenceSame Category
Acid Yellow 49
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acid dye for textiles
Safety Reference
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 12227-89-3) is 2821.10, 2821.20, 3206.49.
HS code (international, 6-digit)
2821.10, 2821.20, 3206.49
EU CN code (8-digit)
2821 10 00, 2821 20 00, 3206 49 10, 3206 49 70
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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