The Ferrous oxalate, with the CAS registry number 516-03-0 and EINECS registry number 208-217-4, has the systematic name of iron(2+) ethanedioate. It is a kind of odorless yellow solid which is also hygroscopic. As an inorganic reducing agents, it can react with oxidizing agents to generate heat and products that may be flammable, combustible, or otherwise reactive. The molecular formula of this chemical is C₂FeO₄.

The physical properties of Ferrous oxalate are as followings: (1)ACD/LogP: -1.19; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -5.7; (4)ACD/LogD (pH 7.4): -5.94; (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: 1; (12)Polar Surface Area: 74.6 Å²; (13)Flash Point: 188.8 °C; (14)Enthalpy of Vaporization: 67.15 kJ/mol; (15)Boiling Point: 365.1 °C at 760 mmHg; (16)Vapour Pressure: 2.51E-06 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: [Fe+2].[O-]C(=O)C([O-])=O
(2)InChI: InChI=1/C2H2O4.Fe/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2
(3)InChIKey: OWZIYWAUNZMLRT-NUQVWONBAL