(R)-1,2-Butanediol

(R)-1,2-丁二醇

Also known as: (2R)-1,2-Butanediol, (2R)-Butane-1,2-diol, (R)-1,2-Butylene Glycol, (R)-1,2-Dihydroxybutane, (R)-Butane-1,2-diol, (R)-(+)-1,2-BUTANEDIOL, 1,2-Butanediol, (2R)-

CAS No.: 40348-66-1
Jingsj CID: J-1020586-2
Molecular Formula: C₄H₁₀O₂
Chinese Name: (R)-1,2-丁二醇
Molecular Weight: 90.121 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	190.3±8.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	93.3±0.0 °C

Frequently Asked Questions

What is the CAS number of (R)-1,2-Butanediol?

40348-66-1

What are the molecular formula and molecular weight of (R)-1,2-Butanediol?

C4H10O2, molecular weight 90.121 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026