CAS No.:7681-57-4 Other Names:Sodium Pyrosulfite MF:Na2S2O5 EINECS No.:231-673-0 Grade Standard:Food/Industrial Grade Purity:96-97%min Appearance:White Crystalline Powder Application:Food Additive/Fertilizerm/Papermaking/Leather Brand Name:Shandong Pulisi Port of loading:Qingdao/Tianjin/Shanghai Packing:25KG/1000KG Bag Certificate:ISO COA MSDS Molecular Weight:190.09 Melting Point:150 °C Density:1.48g/cm3 Quantity:25-27MTS/20`FCL HS Code:28321000 Mark:Customizable