The systematic name of this chemical is manganese(2+) ethanedioate hydrate (1:1:2). With the CAS registry number 6556-16-7, it is also named as Oxalic acid manganese(II)·dihydrate. The decomposition equation of Manganese(II) oxalate dihydrate: MnC₂O₄·2H₂O==Δ==MnC₂O₄+2H₂O; Continue to break down when heating: MnC₂O₄==Δ==MnO+CO↑+CO₂.  

The other characteristics of this product can be summarized as: (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 ?2; (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.

Preparation OF Manganese(II) oxalate dihydrate: It can be obtained by replacement reaction of soluble oxalate (such as sodium oxalate) and soluble divalent manganese salts (such as manganese chloride (MnCl₂)).

Uses of Manganese(II) oxalate dihydrate: It is pinkish powder which is used as chemical reagent. It is also used in the paint industry and in the manufacture of other manganese compounds. In addition, it can be used as semiconductor photosensitive material.

People can use the following data to convert to the molecule structure.
1. SMILES:[Mn+2].[O-]C(=O)C([O-])=O.O.O
2. InChI:InChI=1/C2H2O4.Mn.2H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);;2*1H2/q;+2;;/p-2 
3. InChIKey:HDJUVFZHZGPHCQ-NUQVWONBAD