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Home/Compounds/Dye & Pigment/Chromium hydroxide green
Cr2H4O5
188.02 g/mol
Dye & Pigment

Chromium hydroxide green

CAS12001-99-9EC601-657-1
Category
Dye & Pigment
Compound Class
Inorganic Salt
Primary Use
green pigment for foods and cosmetics

Chromium hydroxide green is a green pigment used primarily in coloring foods, drugs, and cosmetics. It is a hydrated form of chromium oxide, similar to Guignet's green but prepared differently and with a less intense color.

coloring foodscoloring drugscoloring cosmetics

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

StrongStructure SimilarSimilarity 1.00

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Customs Tariff Classification

The international HS code for Chromium hydroxide green (CAS 12001-99-9) is 2819.90, 3206.20.

HS code (international, 6-digit)

2819.90, 3206.20

EU CN code (8-digit)

2819 90 90, 3206 20 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

bis(chromium(3+));tris(oxygen(2-));dihydrate

InChIKey

CYYGBBNBGCVXEL-UHFFFAOYSA-N

SMILES

O.O.[O-2].[O-2].[O-2].[Cr+3].[Cr+3]

Synonyms (8)
  • 11958 GREEN
  • CHROME OXIDE (HYDRATED) GREEN
  • Chromic oxide hydrated
  • Chromium hydroxide green
  • Guignet'S green
  • Hydrated chromium sesquioxide
  • Viridian 3B

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