trans-2,3-dibromo-2-butene-1,4-diol
Also known as: (E)-2,3-dibromobut-2-ene-1,4-diol, 2,3-dibromobut-2-ene-1,4-diol, 1,4-dihydroxy-2,3-dibromo-2-butene, 2,3-dibromo-2-butene-1,4-diol, MFCD00004698
trans-2,3-dibromo-2-butene-1,4-diol (CAS 21285-46-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H6Br2O2 and a molecular weight of 245.89700 g/mol. Key properties include a melting point of 112-114ºC, a boiling point of 318.1ºC, a density of 2.252 g/cm3 and a flash point of 146.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21285-46-1
- Jingsj CID
- J-25622-4
- Molecular Formula
- C4H6Br2O2
- Molecular Weight
- 245.89700 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 112-114ºC |
|---|---|
| Boiling Point | 318.1ºC |
| Density | 2.252 g/cm3 |
| Flash Point | 146.2ºC |
| Exact Mass | 243.87300 |
| PSA | 40.46000 |
| LogP | 0.97240 |
| Vapor Pressure | 3.07E-05mmHg at 25°C |
| Refractive Index | 1.63 |
Frequently Asked Questions
What is the CAS number of trans-2,3-dibromo-2-butene-1,4-diol?
The CAS number of trans-2,3-dibromo-2-butene-1,4-diol is 21285-46-1.
What are the molecular formula and molecular weight of trans-2,3-dibromo-2-butene-1,4-diol?
trans-2,3-dibromo-2-butene-1,4-diol has molecular formula C4H6Br2O2 and molecular weight 245.89700 g/mol.
What are the upstream and downstream products of trans-2,3-dibromo-2-butene-1,4-diol?
For trans-2,3-dibromo-2-butene-1,4-diol, Upstream Products: 2-Butyne-1,4-diol; Downstream Products: 3,4-Dibromofuran, 2,3-Dibromo-4-oxobut-2-enoic acid, 3,4-dibromo-5H-furan-2-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "trans-2,3-dibromo-2-butene-1,4-diol (CAS 21285-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25622-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.