| CAS | 6915-15-7 |
| Structure |  |
| Synonyms | Hydroxyethane-1,2-dicarboxylic acid |
| IUPAC Name | 2-Hydroxybutanedioic acid |
| Molecular Weight | 134.09 |
| Molecular Formula | C4H6O5 |
| Canonical SMILES | C(C(C(=O)O)O)C(=O)O |
| InChI | InChI=1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9) |
| InChI Key | BJEPYKJPYRNKOW-UHFFFAOYSA-N |
| Boiling Point | 167.16 °C |
| Melting Point | 131-133 °C (lit.) |
| Flash Point | 203 °C |
| Purity | 98% |
| Density | 1.609 g/ml |
| Refractive Index | n20/D 1.392(lit.) |
| pKa | 3.4 |
| pH | 3.33 (1 mM solution) |
| Solubility in Water | 558 g/L |
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