Sunnyliuqingqing is a dealing in Sodium Metabisulphite, Maleic Anhydride, Zinc PhosphateSodium Metabisulphite1. Name: Sodium Metabisulphite2. Molecular formula: Na2S2O53. Molecular weight: 190.094. Physical and Chemical property: Strong SO2 odour, proportion is 1.4, melting point >300celsius degree, density 1.48Solubility: Soluble in water, alcohol, and acetone and in acidic solution, Na2S2O5+ strong acid SO2+salt, Na2S2O5+O2 Na2S2O6, Na2S2O5(1500° C) SO2 and others.5. Specification Industry/food6. Appearance White crystallineMaleic AnhydrideThe maleic anhydride is a kind of white granule with heavy irritant odor.Sp. gr.(solid)1.48, m.p., 52.8, b.p 202°C, also readily sublimates.It is soluble in alcohol, ether, acetone and slightly soluble in petroleum ether, carbon tetrachloride.It is soluble in water , forming maleic acid.Specification:ItemUnitExtra class1st classConforming unitContent(by MAN)% ‰¥99.599.098.5Molten colourHazen‰¤2550100Crystallization point°C‰¥52.452.051.5Ash content%‰¤0.0050.005-Iron contentmg/kg‰¤5€ƒZinc PhosphatePurity: 44%Name: Zinc phosphateOrigina: China(mainland)Appearance: White powderPacking: 25kg/bags 25mts/20'FCL.Pament Term: T/T-L/C.Zinc phosphatePrice: Get latest priceZn:44-48%Phosphate:26-32%Water:1%max.pH:6-8Oil absorption:28-35%Water soluble salts:1%max.