trans-2,3-Dibromo-2-butene-1,4-diol
Synonym(s):2,3-Dibromo-2-butene-1,4-diol
- CAS NO.：3234-02-4
- Empirical Formula: C4H6Br2O2
- Molecular Weight: 245.9
- MDL number: MFCD00004698
- EINECS: 221-779-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:51:39
What is trans-2,3-Dibromo-2-butene-1,4-diol?
Chemical properties
white crystalline powder
General Description
Crystals or white powder.
Air & Water Reactions
Water soluble.
Reactivity Profile
A halogenated alkene and alcohol. The unsaturated aliphatic hydrocarbons are generally much more reactive than the alkanes, which are saturated aliphatic hydrocarbons. Strong oxidizers may react vigorously with them. Reducing agents can react exothermically to release gaseous hydrogen. Flammable and/or toxic gases are generated by the combination of alcohols with alkali metals, nitrides, and strong reducing agents. They react with oxoacids and carboxylic acids to form esters plus water. Oxidizing agents convert them to aldehydes or ketones. Alcohols exhibit both weak acid and weak base behavior. They may initiate the polymerization of isocyanates and epoxides.
Fire Hazard
Flash point data for trans-2,3-Dibromo-2-butene-1,4-diol are not available, however trans-2,3-Dibromo-2-butene-1,4-diol is probably combustible.
Properties of trans-2,3-Dibromo-2-butene-1,4-diol
| Melting point: | 112-114 °C(lit.) |
| Boiling point: | 318.1±42.0 °C(Predicted) |
| Density | 1.9671 (rough estimate) |
| vapor pressure | 0.004-0.081Pa at 25-40℃ |
| refractive index | 1.5230 (estimate) |
| pka | 11.91±0.10(Predicted) |
| form | Solid:crystalline |
| Water Solubility | 1-5 g/100 mL at 21 ºC |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 3234-02-4(CAS DataBase Reference) |
| EPA Substance Registry System | 2,3-Dibromo-2-butene-1,4-diol (3234-02-4) |
Safety information for trans-2,3-Dibromo-2-butene-1,4-diol
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H317:Sensitisation, Skin |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for trans-2,3-Dibromo-2-butene-1,4-diol
New Products
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