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| Chemical name | } |
| Chemical formula | } |
| Molecular mass | } g/mol |
| CAS number | * D/L:" target="_blank" >[} |
| Melting point | L: 53 °C D: 53 °C D/L: 16.8 °C |
| Boiling point | } °C @ 12 mmHg |
| SMILES | } |
| Chemical infobox | |
Lactic acid (IUPAC systematic name: 2-hydroxypropanoic acid), also known as milk acid, is a chemical compound that plays a role in several biochemical processes. Lactic acid is a carboxylic acid with a chemical formula of C3H6O3. It has a hydroxyl group adjacent to the carboxylic acid, making it an alpha hydroxy acid (AHA). In solution, it can lose a proton from the acidic group, producing the lactate ion CH3CH(OH)COO−.
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