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ChemicalBook--->CAS DataBase List--->6974-12-5

6974-12-5

6974-12-5 Structure

6974-12-5 Structure
IdentificationMore
[Name]

TRANS-1,4-DIBROMO-2-BUTENE
[CAS]

6974-12-5
[Synonyms]

1,4-DIBROMO-2-BUTENE
1,4-DIBROMO-2-BUTYLENE
(e)-1,4-dibromobut-2-ene
TRANS-1,4-DIBROMO-2-BUTENE
TRANS-1,4-DIBROMOBUT-2-ENE
1,4-dibromo-2-buten
TL 80
tl80
1,4-dibromobut-2-ene
Cis-1,4-DibromoButene
[EINECS(EC#)]

212-472-7
[Molecular Formula]

C4H6Br2
[MDL Number]

MFCD00000249
[Molecular Weight]

213.9
[MOL File]

6974-12-5.mol
Chemical PropertiesBack Directory
[Melting point ]

48-51 °C(lit.)
[Boiling point ]

205 °C(lit.)
[density ]

1.9393 (estimate)
[refractive index ]

1.5430 (estimate)
[Fp ]

113 °C
[storage temp. ]

0-6°C
[color ]

colorless to slightly brown
[CAS DataBase Reference]

6974-12-5(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

T
[Risk Statements ]

R25:Toxic if swallowed.
R34:Causes burns.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
[RIDADR ]

UN 2923 8/PG 2
[WGK Germany ]

2
[RTECS ]

EM4725000
[F ]

8-19
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Bromide
[Preparation Products]

2-Phenyl-1,2,3,4-tetrahydronaphthalene-->TRANS-2-BUTENE-1,4-DICARBOXYLIC ACID
Hazard InformationBack Directory
[Chemical Properties]

Thallus crystal. The melting point is 54°C and the boiling point is 74-76°C (0.24kPa).
[Uses]

Trans-1,4-dibromo-2-butene can be used as an organic synthesis intermediate.
[Synthesis]

Trans-1,4-dibromo-2-butene is obtained by reacting 1,3-butadiene with bromine.
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