Specifications: Items Index of quality Appearance Off-white crystalline powder Contents%≥ 99.0(HPLC) Melting Point ℃ 250 Volatilization% ≤ 0.20 Usage: Mainly used in preparative pigments, also used to synthesise barbital,VB12 and etc. Packing: Packed in 25kg net poly-woven bag or as customers' requirements.