27715

L-(+)-Lactic acid

80%

• Synonym(s): (S)-2-Hydroxypropionic acid, Sarcolactic acid
• Empirical Formula (Hill Notation): C₃H₆O₃
• CAS Number: 79-33-4
• Molecular Weight: 90.08
• Beilstein: 1720251
• MDL number: MFCD00064266
• UNSPSC Code: 12352100
• PubChem Substance ID: 57648269
• NACRES: NA.21

Properties

• Quality Level: 100
• Assay: 80%
• form: liquid
• ign. residue: ≤0.1% (as SO₄)
• solubility: water: soluble(lit.)
• anion traces: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• cation traces: Ca: ≤100 mg/kg; Fe: ≤10 mg/kg
• antibiotic activity spectrum: Gram-negative bacteria
• Mode of action: cell membrane | interferes
• SMILES string: C[C@H](O)C(O)=O
• InChI: 1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)/t2-/m0/s1
• InChI key: JVTAAEKCZFNVCJ-REOHCLBHSA-N

Description

Application

• Pharmaceutical and biomaterial applications: L-(+)-Lactic acid enhances M2 macrophage polarization through regulation of the PCK2/AMPK/mTOR signaling pathway in poly-L-lactic acid membranes, indicating its vital role in biomedicine and materials science (Tang et al., 2024).


• Agricultural biotechnology: The induction of defense responses in tobacco against Phytophthora nicotianae by L-(+)-Lactic acid underscores its potential application in agricultural biotechnology for plant disease management (Yan et al., 2024).

Biochem/physiol Actions

Use as a substrate for the lactic acid dehydrogenase enzymes.

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H314
• Precautionary Statements: P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 - P405
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1
• Supplementary Hazards: EUH071
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): 230.0 °F
• Flash Point(C): 110 °C
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves