2. Purity: 99.5%min 3. White crystals or crystalline powder, characteristic teste. Very soluble in water

Appearance	colorless to white crystal or white crystal powder
Assay%	≥99.5
Melting range	184.0-187.0
Water solutioin appearance	colorless transparent or basically colorless transparent
Chloride %	≤0.007
Sulphate (SO4 2- )%	≤0.02
Heavy metal Pb2+%	≤0.001
Ferrum content%	≤0.002
Potassium permanganate reducing substances	Qualified
Arsenic content (As2O3)	≤2PPM

Succinic Acid