D-(-)-2,3-Butanediol

• Catalog No.: 18965
• CAS Number: 24347-58-8
• M. F.: C4H10O2
• M. W.: 90.121
• Purity: ≥96.0% (sum of enantiomers, GC)

SYNONYMS

• Title: D-(-)-2,3-丁二醇
• IUPAC name: (2R,3R)-butane-2,3-diol
• IUPAC Traditional name: (R,R)-butane-2,3-diol
• Synonyms: (R,R)-2,3-Butanediol; (R,R)-2,3-丁二醇

DATABASE IDS

• CAS Number: 24347-58-8
• MDL Number: MFCD00064267
• EC Number: 246-186-9
• Beilstein Number: 1718901

PROPERTIES

• Empirical Formula (Hill Notation): C4H10O2
• Grade: purum
• Optical Purity: enantiomeric ratio: ~98:2 (GC)
• Purity: ≥96.0% (sum of enantiomers, GC)
• Boiling Point: 177-179 °C(lit.)
• Density: 0.992 g/mL at 20 °C(lit.)
• Flash Point: 85 °C
• Flash Point: 185 °F
• Optical Rotation: [α]20/D -13±1°, neat
• Refractive Index: n20/D 1.433
• Personal Protective Equipment: Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• Storage Temperature: -20°C
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
Chiral diol; used for determining the enantiomeric purity of ketones by acetal formation and 13C-NMR1,2; or chromatography3; Resolution of ketones4; Determination of enantiomeric purity of lactones by ortho esterification and GC5

Description (简体中文)

Other Notes
手性二醇；用于通过乙缩醛的形成和 13C-NMR1,2 测定酮的对映体纯度；或用于色谱分析3；用于酮的拆分4；用于通过邻位酯化反应和气相色谱法测定内酯的对映体纯度5