Chemical Product Library / Reference
Lactic acid
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Lactic acid |
|---|---|
| English synonyms | 2-Hydroxypropanoic acid;Milk acid |
| Chinese name | 乳酸 |
| Chinese synonyms | 2-羟基丙酸;α-羟基丙酸 |
| Chemical category | Food Acids & Regulators |
| CAS No. | 50-21-5 |
| EINECS No. | 200-018-0 |
| Molecular formula | C3H6O3 |
| Molecular weight | 90.08 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Assay 80–90% (aqueous); chloride ≤0.01%; sulfate ≤0.01%; heavy metals (as Pb) ≤10 ppm; color (Pt-Co) ≤50
Performance characteristics
Colorless to pale yellow viscous liquid, soluble in water, mild acidic taste
Application scenarios
Food acidulant, beverage, pharmaceutical excipient, cosmetic pH adjuster, leather processing