C4H6Br2O2
245.9 g/mol
Industrial ChemicalWarning
Trans-2,3-Dibromo-2-butene-1,4-diol
CAS21285-46-1EC244-313-2
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
California Proposition 65 listed chemical
This compound is a crystalline solid or white powder. It is listed under California Proposition 65 as a chemical known to cause reproductive harm.
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
Warning
H317May cause an allergic skin reaction
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects
Customs Tariff Classification
The international HS code for Trans-2,3-Dibromo-2-butene-1,4-diol (CAS 21285-46-1) is 2905.59.
HS code (international, 6-digit)
2905.59
EU CN code (8-digit)
2905 59 98
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
(E)-2,3-dibromobut-2-ene-1,4-diol
InChIKey
MELXIJRBKWTTJH-ONEGZZNKSA-N
SMILES
C(/C(=C(/CO)\Br)/Br)O
Synonyms (14)
- 2,3-DIBROMO-2-BUTENE-1,4-DIOL
- 2,3-Dibromobutene-1,4-diol
- 2-Butene-1, 2,3-dibromo-
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