C4H6Br2
213.9 g/mol
Pharmaceutical IntermediateDanger
Trans-1,4-Dibromo-2-Butene
CAS821-06-7EC212-472-7
Category
Pharmaceutical Intermediate
Compound Class
Halocarbon
Primary Use
Pharmaceutical Intermediate
trans-1,4-Dibromo-2-butene is a chemical compound that appears as crystals or a white crystalline solid. It is primarily utilized as an intermediate in the production of the pharmaceutical agent aliskiren.
Pharmaceutical intermediate
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
ApplicationSame Use
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pharmaceutical intermediate
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CAS821-48-7
pharmaceutical intermediate
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pharmaceutical intermediate
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pharmaceutical intermediate
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4-methylimidazole
CAS822-36-6
Pharmaceutical intermediate
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage
H330Fatal if inhaled
H350May cause cancer
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Trans-1,4-Dibromo-2-Butene (CAS 821-06-7) is 2903.69.
HS code (international, 6-digit)
2903.69
EU CN code (8-digit)
2903 69 19
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)-1,4-dibromobut-2-ene
InChIKey
RMXLHIUHKIVPAB-OWOJBTEDSA-N
SMILES
C(/C=C/CBr)Br
Synonyms (17)
- (2E)-1,4-Dibromo-2-butene
- (2E)-1,4-dibromobut-2-ene
- (E)-1,4-Dibromo-2-butene
- (E)-1,4-Dibromobut-2-ene
- 1,4-DIBROMO-2-BUTYLENE
- 1,4-Dibromo-2-butene
- 1,4-dibromo-2-buten
- 1,4-trans-dibromo-2-butene
- 2-BUTENE, 1,4-DIBROMO-
- 2-Butene, 1,4-dibromo-, (2E)-
- 2-Butene, 1,4-dibromo-, (E)-
- Dibromobutene
- TL 80
- cis-1,4-dibromo-2-butene
- trans-1,4-Dibromo-2-Butene
- trans-1,4-Dibromobut-2-ene
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