(-)-Ethyl L-lactate

• Catalog No.: 69799
• CAS Number: 687-47-8
• M. F.: C5H10O3
• M. W.: 118.1311
• Purity: ≥98.0% (sum of enantiomers, GC)

SYNONYMS

• Title: (-)-L-乳酸乙酯
• IUPAC name: ethyl (2S)-2-hydroxypropanoate
• IUPAC Traditional name: ethyl lactate
• Synonyms: L-乳酸乙酯; (-)-Ethyl (S)-2-hydroxypropionate; (-)-(S)-2-羟基丙酸乙酯; (S)-(-)-2-Hydroxypropionic acid ethyl ester; L-Lactic acid ethyl ester; (S)-(-)-2-羟基丙酸乙酯

DATABASE IDS

• MDL Number: MFCD00004518
• CAS Number: 687-47-8
• EC Number: 211-694-1
• Beilstein Number: 1720839

PROPERTIES

• Empirical Formula (Hill Notation): C5H10O3
• Grade: purum
• Optical Purity: enantiomeric excess: ≥97.5:2.5
• Purity: ≥98.0% (sum of enantiomers, GC)
• Auto Ignition Point: 752 °F
• Boiling Point: 154 °C(lit.)
• Density: 1.034 g/mL at 20 °C(lit.)
• Flash Point: 46 °C
• Flash Point: 114.8 °F
• Melting Point: -26 °C(lit.)
• Refractive Index: n20/D 1.4130(lit.)
• Refractive Index: n20/D 1.413
• Vapor Density: 4.1 (vs air)
• Vapor Pressure: 2 mmHg ( 20 °C)
• Vapor Pressure: 5 mmHg ( 30 °C)
• Explode Limits: 1.5 %, 100 °F
• GHS Signal Word: Danger
• GHS Hazard statements: H226-H318-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• GHS Precautionary statements: P261-P280-P305 + P351 + P338
• RID/ADR: UN 1192 3/PG 3
• Risk Statements: 10-37-41
• Safety Statements: 24-26-39
• Hazard Class: 3
• UN Number: 1192
• Packing Group: 3
• German water hazard class: 1

DETAILS

Description (English)

Other Notes
Important starting material for the synthesis of many chiral building blocks, e.g. (S)-1,2-propanediol and (S)-propylene oxide1,2; O-Protection and reduction to the aldehyde3,4

Description (简体中文)

Other Notes
合成多种手性结构单元，例如 (S)-1,2-丙二醇和 (S)-环氧丙烷1,2 的重要原料；O-保护和还原生成醛3,4