The Ethanedioic acid,barium salt (1:1), with CAS registry number 516-02-9, has the systematic name of barium ethanedioate. This chemical is a kind of white powder. And this chemical should be stored in cool, dry place in tightly. And you should ensure good ventilation/exhaustion at the workplace. The main use of this chemical is for manufacturing of fireworks.

Physical properties of Ethanedioic acid,barium salt (1:1): (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)Enthalpy of Vaporization: 67.15 kJ/mol; (14)Vapour Pressure: 2.51E-06 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
The Ethanedioic acid,barium salt (1:1) is harmful by inhalation and if swallowed. In case of insufficient ventilation, wear suitable respiratory equipment.

You can still convert the following datas into molecular structure:
(1)SMILES: [Ba+2].[O-]C(=O)C([O-])=O
(2)InChI: InChI=1/C2H2O4.Ba/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2
(3)InChIKey: GXUARMXARIJAFV-NUQVWONBAK
(4)Std. InChI: InChI=1S/C2H2O4.Ba/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2
(5)Std. InChIKey: GXUARMXARIJAFV-UHFFFAOYSA-L