Lithopone powder physical and chemical properties Density 4.136~4.39 Molecular formula BaO5S2Zn2 Molecular weight 412.272 Accurate quality 409.682251 PSA 137.80000 LogP 0.26720 Appearance: white powder Storage conditions Store in a cool, ventilated and dry warehouse. Pay attention to heat and moisture. Store separately from acids. Lightly load and unload during transportation to prevent damage to the package. Packed in a woven bag lined with polyethylene plastic bag, each bag has a net weight of 25kg. Store in a cool, ventilated and dry warehouse. Pay attention to heat and moisture. Store separately from acids. Lightly load and unload during transportation to prevent damage to the package. In case of fire, water and various fire extinguishers can be used to put out the fire. Stability Does not work with hydrogen sulfide and alkaline solutions. It can easily decompose to produce hydrogen sulfide gas when exposed to acid. It is easy to oxidize in the air, and it will agglomerate and deteriorate after being damp. Whiteness and covering power are strong. More 1. Properties: white powder, a mixture of zinc sulfide and barium sulfate. 2. Relative density: 4.136～4.39 3. Solubility: insoluble in water. 4. Refractive index: 1.70～2.25