Tartaric acid
CAS 87-69-4C4H6O6150.09 g/mol
L-tartaric acid is the L-enantiomer of tartaric acid. It is a conjugate acid of a L-tartrate(1-). It is an enantiomer of a D-tartaric acid.
IUPAC: (2R,3R)-2,3-dihydroxybutanedioic acid
PubChem
Physical & Chemical Properties
| Melting Point | Between 168 °C and 170 °C |
| Density | Relative density (water = 1): 1.79 |
| Solubility | 582 mg/mL at 20 °C |
| Flash Point | 210 °C c.c. |
| Vapor Pressure | 0.00000015 [mmHg] |
| Appearance | Dry Powder; Other Solid |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2918
Data: UN Comtrade
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