Chemical Name: Barbituric acid Molecular Formula: C4H4N2O3 Molecular Weight: 128. 09 Specifications: Items Index of quality Appearance Off-white crystalline powder Contents% 99.0min(HPLC) Melting Point 245 Volatilization% 0.20 max Usage: Mainly used in preparative pigments, also used to synthesise barbital, VB2 and etc. Packing: Packed in 25kg net poly-woven bag or as customers requirements.