L-(-)-Malic acid

• Catalog No.: 02290
• CAS Number: 97-67-6
• M. F.: C4H6O5
• M. W.: 134.08744
• Purity: ≥99.0% (T)

SYNONYMS

• Title: L-苹果酸
• IUPAC name: (2S)-2-hydroxybutanedioic acid
• IUPAC Traditional name: (-)-malic acid
• Synonyms: (S)-(-)-2-Hydroxysuccinic acid; L-Hydroxybutanedioic acid; (S)-(-)-2-羟基琥珀酸; L-羟基丁二酸

DATABASE IDS

• Beilstein Number: 1723541
• CAS Number: 97-67-6
• MDL Number: MFCD00064213
• EC Number: 202-601-5

PROPERTIES

• Grade: purum
• Linear Formula: HO2CCH2CH(OH)CO2H
• Purity: ≥99.0% (T)
• Melting Point: 101-103 °C(lit.)
• Melting Point: 103-106 °C
• Optical Rotation: [α]20/D -30±2°, c = 5.5% in pyridine
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 36/37/38
• Safety Statements: 26
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
Preparation of (S) 2-acetoxysuccinyl chloride1; Preparation of 1-mono-methyl malate2,3; Preparation of hydroxysuccinimide derivatives4; Stereoselective α-alkylation via dioxolanone5

Description (简体中文)

Other Notes
制备 (S) 2-乙酰氧基琥珀酰氯?1；制备 1-苹果酸单甲酯2,3；制备羟基琥珀酰亚胺衍生物4；通过二噁茂烷酮进行立体选择性 α-烷基化反应?5