Substance profile
L-Lactic Acid
L-Lactic Acid: liquid.
01 · Identification
What L-Lactic Acid is
L-Lactic Acid: liquid. Its molecular formula is C3H6O3 and its molecular weight is 90.08 g/mol. It melts at 16.8 °C.
Under the GHS it carries the signal word Danger.
Other names for L-Lactic Acid
- L-(+)-lactic acid
- (2S)-2-hydroxypropanoic acid
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H314 | Causes severe skin burns and eye damage. |
| H318 | Causes serious eye damage. |
Supplemental EU statements: EUH071
Precautionary statements: P260, P280, P301, P305, P310, P331, P338
03 · Physical and chemical properties
L-Lactic Acid properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 16.8 °C (62.2 °F) | HMDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.