English name:(E)-1,4-Dibromobut-2-ene
Alias:trans-1,4-Dibromo-2-butene
CAS.NO:821-06-7
EINECS No.:212-472-7
Molecular formula:C₄H₆Br₂
Molecular weight:213.91
Structure formula:

Melting point:48-53 ℃
Boiling point:205 ℃
Flash light:113 ℃
Solubility:Slightly soluble in water
Content:≥99%（trans）
Loss on drying:≤0.5%
Appearance:White crystal
Dangerous code:    T 
Dangerous grade:R24/25;R34  
Safe grade:S26;S28A;S36/37/39;S45 
UN code:UN 2923