2,3-Dihydroxysuccinic acid

Melting point 170-172 °C (lit.)
Specific rotation 12 º (c=20, H2O)
Boiling point 191.59°C (rough estimate)
Bulk density 1000 kg/m³
Density 1.76
Vapor density 5.18 (vs air)
Vapor pressure <5 Pa (20 °C)
Refractive index 12.5 ° (C=5, H2O)
FEMA3044 | TARTARIC ACID (D-, L-, DL-, MESO-)
Flash point 210 °C
Storage conditions: Store at 5°C to 30°C
Solubility: H2O: soluble 1M at 20°C, clear, colorless
Acidity constants (pKa) 2.98, 4.34 (at 25°C)
Form Solid
Color White or colorless
pH 3.18 (1 mM solution); 2.55 (10 mM solution); 2.01 (100 mM solution)
Odor (Odor) at 100.00% odorless
Fragrance odorless
Optical rotation [α]20/D 13.5±0.5°, c = 10% in H2O
Biological source Vitis vinifera
Water solubility 1390 g/L (20 °C)
Merck 14,9070
JECFA Number 621
BRN 1725147
Henry's Law Constant 4.9×10¹⁵ mol/(m³Pa) at 25°C, Burkholder et al. (2019)
Dielectric constant 35.9 (-10°C)
Stability Stable. Incompatible with oxidizing agents, bases, reducing agents. CombustibleCosmetic Ingredient Efficacy FRAGRANCE
BUFFERING
InChI1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)/t1-,2-/m1/s1
InChIKey FEWJPZIEWOKRBE-JCYAYHJZSA-N
SMILES O[C@H]([C@@H](O)C(O)=O)C(O)=O
LogP -1.43
CAS Database 87-69-4 (CAS DataBase Reference)
NIST Chemical Substance Information Butanedioic acid, 2,3-dihydroxy- [r-(r*,r*)]-(87-69-4)
EPA Chemical Substance Information Tartaric acid (87-69-4)