The Propanoic acid,2,3-dihydroxy-, with the CAS registry number 473-81-4, is also known as Glycerolic acid. Its EINECS number is 207-472-9. This chemical's molecular formula is C₃H₆O₄ and molecular weight is 106.08. What's more, its systematic name is 2,3-dihydroxypropanoic acid. 

Physical properties of Propanoic acid,2,3-dihydroxy- are: (1)ACD/LogP: -1.93; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -4.51; (4)ACD/LogD (pH 7.4): -5.61; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 4; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 44.76 Å²; (13)Index of Refraction: 1.515; (14)Molar Refractivity: 20.54 cm³; (15)Molar Volume: 68 cm³; (16)Polarizability: 8.14×10^-24cm³; (17)Surface Tension: 80.9 dyne/cm; (18)Density: 1.558 g/cm³; (19)Flash Point: 217.1 °C; (20)Enthalpy of Vaporization: 76.78 kJ/mol; (21)Boiling Point: 412 °C at 760 mmHg; (22)Vapour Pressure: 1.65E-08 mmHg at 25°C.

Preparation of Propanoic acid,2,3-dihydroxy-: this chemical can be prepared by 2-acetylamino-2,3-dibromo-propionic acid at the pH value of 10.8-11.0. This reaction will need reagents 0.4 M sodium borohydride, 0.1 M sodium hydroxide and solvent H₂O with the reaction time of 4 hours. The yield is about 90%.

Uses of Propanoic acid,2,3-dihydroxy-: it can be used to produce 2,3-dihydroxy-propionic acid methyl ester by heating. It will need reagent 14% borontrifluoride-methanol complex with the reaction time of 1 hour. The yield is about 75.7%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)C(O)CO
(2)InChI: InChI=1S/C3H6O4/c4-1-2(5)3(6)7/h2,4-5H,1H2,(H,6,7)
(3)InChIKey: RBNPOMFGQQGHHO-UHFFFAOYSA-N