237639

(2R,3R)-(−)-2,3-Butanediol

97%

• Synonym(s): (2R,3R)-2,3-butanediol, (2R,3R)-butane-2,3-diol, (R,R)-2,3-butanediol, (R,R)-2,3-butylene glycol, (R,R)-butane-2,3-diol, D-(-)-2,3-Butanediol
• Linear Formula: CH₃CH(OH)CH(OH)CH₃
• CAS Number: 24347-58-8
• Molecular Weight: 90.12
• Beilstein/REAXYS Number: 1718901
• EC Number: 246-186-9
• MDL number: MFCD00064267
• UNSPSC Code: 12352001
• PubChem Substance ID: 24854259
• NACRES: NA.22

Properties

• assay: 97%
• form: liquid
• optical activity: [α]23/D −13.2°, neat
• optical purity: ee: 99% (GLC)
• refractive index: n20/D 1.433 (lit.)
• bp: 77.3-77.4 °C/10 mmHg (lit.)
• density: 0.987 g/mL at 25 °C (lit.)
• SMILES string: C[C@@H](O)[C@@H](C)O
• InChI: 1S/C4H10O2/c1-3(5)4(2)6/h3-6H,1-2H3/t3-,4-/m1/s1
• InChI key: OWBTYPJTUOEWEK-QWWZWVQMSA-N

Description

General description

(2R,3R)-(-)-2,3-Butanediol is a key building block in pharmaceutical industry.

Application

C₂ symmetric chiral diol with versatile applications as a chiral auxiliary, building block, and chiral ligand. Cyclocondenses with ketones for ¹³C NMR determination of optical purity.

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 3
• flash_point_f: 185.0 °F - closed cup
• flash_point_c: 85 °C - closed cup
• ppe: Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)