M1000

L-(−)-Malic acid

≥95% (titration)

• Synonyme(s) : (S)-(−)-2-Hydroxysuccinic acid, L-Hydroxybutanedioic acid
• Formule linéaire : HO₂CCH₂CH(OH)CO₂H
• Numéro CAS: 97-67-6
• Poids moléculaire : 134.09
• UNSPSC Code: 12352106
• PubChem Substance ID: 24896463
• NACRES: NA.22
• EC Number: 202-601-5
• MDL number: MFCD00064213
• Beilstein/REAXYS Number: 1723541
• Assay: ≥95% (titration)
• Form: powder

Propriétés

• Quality Segment: 300
• assay: ≥95% (titration)
• form: powder
• pKa (25 °C): (1) 3.46, (2) 5.10
• mp: 101-103 °C ((lit.)), 101-103 °C (lit.)
• solubility: water: 100 mg/mL, clear to very slightly hazy, colorless
• density: 1,595 g/cm³ at 68 °F
• SMILES string: O[C@@H](CC(O)=O)C(O)=O
• InChI: 1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/t2-/m0/s1
• InChI key: BJEPYKJPYRNKOW-REOHCLBHSA-N

Description

General description

L-Malic acid is the naturally occurring isomer of malic acid, found mainly in sour and unripe fruits.

Application

L-(-)-Malic acid may be used to prepare:

• diethyl (S)-malate
• ethyl (R)-2-hydroxyl-4-phenylbutanoate
• ethyl (S)-2-hydroxyl-4-phenylbutanoate
• D-homophenylalanine ethyl ester hydrochloride
• furo[3,2-i]indolizines

Informations sur la sécurité

• Pictogrammes: GHS07
• Mot-clé: Warning
• Codes de danger: H315,H319
• Mentions de précaution: P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2
• Classe de stockage: 11 - Combustible Solids
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• EPI (équipement de protection individuelle): dust mask type N95 (US), Eyeshields, Gloves