Safety Reference
Warning
H319Causes serious eye irritation
H411
Sourcing Iron trioxide?
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2-Amino-4,8-naphthalenedisulfonic acid
Dye intermediate
Sourcing Iron trioxide?
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Iron trioxide is an inorganic compound that serves as a pigment in paints and coatings. Its primary industrial significance stems from its use as a coloring agent in various materials.
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.
The international HS code for Iron trioxide (CAS 1309-37-1) is 2821.10, 3206.49.
2821.10, 3206.49
2821 10 00, 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.
oxo(oxoferriooxy)iron
JEIPFZHSYJVQDO-UHFFFAOYSA-N
O=[Fe]O[Fe]=O