Uses : As a intermediate used synthesize barbital, phenyl barbital, vitamin B12 etc. used as cat and dye intermediate.

Product description:

CAS: [67-52-7]

Molecular formula: C4H4N2O3

Characteristic: White crystal powder, no smell, easy weather in air, a little dissolve in water and alcohol, dissolve in ethylether, it can be made salt reacting to metal.