The Propanedioic acid,sodium salt, hydrate (1:2:1), with the CAS registry number 26522-85-0 and EINECS registry number 205-514-0, has the systematic name of disodium propanedioate hydrate. And the molecular formula of the chemical is C₃H₄Na₂O₅. What's more, while dealing with this chemical, you should not breathe dust and then try to avoid contacting with skin and eyes.

The characteristics of Propanedioic acid,sodium salt, hydrate (1:2:1) are as followings: (1)ACD/LogP: -0.56; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -3.35; (4)ACD/LogD (pH 7.4): -5.24; (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: 4; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 74.6 Å² ; (13)Flash Point: 201.9 °C; (14)Enthalpy of Vaporization: 69.8 kJ/mol; (15)Boiling Point: 386.8 °C at 760 mmHg; (16)Vapour Pressure: 4.66E-07 mmHg at 25°C.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: [Na+].[Na+].[O-]C(=O)CC([O-])=O.O
(2)InChI: InChI=1/C3H4O4.2Na.H2O/c4-2(5)1-3(6)7;;;/h1H2,(H,4,5)(H,6,7);;;1H2/q;2*+1;/p-2
(3)InChIKey: INIYRMMIDZWSKY-NUQVWONBAF