Technical Parameters
Description
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L(+)-Lactic acid丨CAS 79-33-4
L(+)-Lactic acid (CAS 79-33-4) is a naturally occurring organic acid widely used as a key raw material in food, pharmaceutical, cosmetic, and biodegradable polymer applications. It is commonly utilized as an acidulant, preservative, and pH regulator, and also serves as an important precursor in the production of polylactic acid (PLA) and other bio-based chemicals.
| Description: | It is produced by fermentation, is yellowish, syrupy and hygroscopic liquid with slightly acid odor |
| Stereochemical purity (L-isomer): | 97% min |
| Assay: | 76% - 84% |
| Fresh color: | 50 - 100 APHA |
| Sulphated ash: | 0.05% max |
| Chloride: | 0.002% max |
| Sulphate: | 0.005% max |
| Iron: | 10 mg/kg max |
| Arsenic: | 1 mg/kg max |
| Lead: | 2 mg/kg max |
| Tin (Sn): | 0.03 mg/kg max |
| Antimony (Sb): | 0.03 mg/kg max |
| Mercury: | 1 mg/kg max |
| Heavy Metals (as Pb): | 10 mg/kg max |
| Cyanide: | 1 mg/kg max |
| Limit of Citric, Oxalic, Phosphoric and Tartaric Acid: | Passes test |
| Reducing sugars: | Passes test |
