rel-(2R,3R)-1,4-dibromobutane-2,3-diol

DL-1,4-二溴-2,3-丁二醇

Also known as: DL-1,4-Dibromo-2,3-butanediol, 1,4-Dibromo-2,3-butanediol, (±)-1,4-dibromo-2,3-butanediol, 1,4-dibromo-DL-1,4-dideoxy-threitol, threo-1,4-dibromo-2,3-butanediol, racem.-1,4-dibromo-butane-2,3-diol, NSC 75721, MFCD00151324

rel-(2R,3R)-1,4-dibromobutane-2,3-diol (CAS 299-70-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H8Br2O2 and a molecular weight of 247.91300 g/mol. It is also known as DL-1,4-Dibromo-2,3-butanediol, 1,4-Dibromo-2,3-butanediol and (±)-1,4-dibromo-2,3-butanediol. Key properties include a melting point of 82-84ºC(lit.), a boiling point of 365.3ºC at 760 mmHg, a density of 2.124 g/cm3 and a flash point of 174.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 299-70-7
Jingsj CID: J-34747-5
Molecular Formula: C₄H₈Br₂O₂
Chinese Name: DL-1,4-二溴-2,3-丁二醇
Molecular Weight: 247.91300 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	82-84ºC(lit.)
Boiling Point	365.3ºC at 760 mmHg
Density	2.124 g/cm3
Flash Point	174.7ºC

Frequently Asked Questions

What is the CAS number of rel-(2R,3R)-1,4-dibromobutane-2,3-diol?

The CAS number of rel-(2R,3R)-1,4-dibromobutane-2,3-diol is 299-70-7.

What are the molecular formula and molecular weight of rel-(2R,3R)-1,4-dibromobutane-2,3-diol?

rel-(2R,3R)-1,4-dibromobutane-2,3-diol has molecular formula C4H8Br2O2 and molecular weight 247.91300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "rel-(2R,3R)-1,4-dibromobutane-2,3-diol (CAS 299-70-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34747-5 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.