Ultramarine Blue is a blue pigment used primarily in paints and coatings. It is a complex inorganic compound composed of aluminum, sodium, silicon, and sulfur, typically found in a salt-like form.
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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Zirconium silicate
ceramics and glass manufacturing
Ultramarine violet
Violet pigment for cosmetics and paints
6-Hydroxynaphthalene-1,3-disulfonic acid
precursor to azo dyes
6-nitro-m-toluidine
Dye intermediate
1-Naphthol-3,6-disulfonic acid
intermediate for azo dyes
Disodium chromotropate dihydrate
dye and pigment intermediate
The international HS code for Ultramarine Blue (CAS 57455-37-5) is 3206.41.
3206.41
3206 41 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
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Sourcing Ultramarine Blue?
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