The Calcium 2-hydroxypropanoate with the CAS number 63690-56-2 is also called calcium lactate trihydrate. The systematic name is propanoate, 2-hydroxy-, calcium salt (1:1). Its molecular formula is C₃H₅CaO₃⁺. Thus chemical should be stored in dry and cool environment.

The properties of the Calcium 2-hydroxypropanoate are: (1)ACD/LogP: -0.70; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -2.76; (4)ACD/LogD (pH 7.4): -4.24; (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: 3; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 46.53 Å²; (13)Enthalpy of Vaporization: 53.96 kJ/mol; (14)Vapour Pressure: 0.015 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: [Ca+2].[O-]C(=O)C(O)C
(2)InChI: InChI=1/C3H6O3.Ca/c1-2(4)3(5)6;/h2,4H,1H3,(H,5,6);/q;+2/p-1
(3)InChIKey: YDKLBKYACZTDNM-REWHXWOFAE