Желтый фосфор

Yellow phosphorus Molecular formula: P 4 Physical Properties: light yellow or light green wax, at room temperature for the solid, insoluble in water, soluble in carbon disulfide and benzene, the lighting of 35 -40 Chemical properties: toxic, is easily oxidized in air burning (4P +5 O 2 → 2P 2 O 5) Packaging: sealed steel drum, 200kg net weight per barrel Purity: 99.96-99.99%; Uses: mainly used in the Preparation of red phosphorus, phosphoric acid, phosphorus trichloride, phosphorus pentasulfide phosphate, organic phosphorus pesticide materials. Also used for military, manufacturing phosphorus alloy and gas analysis and other materials. High-purity phosphoric acidMolecular formula: H3PO4 Name: Phosphoric Acid 85% -87% grade: food grade / industrial grade Appearance: liquid CAS number: 7664-38-2 Product Description: transparent liquid meet ISO9001: 2000 product standards Specifications of food grade industrial grade unit Volume (calculated by H3PO4)% 85 min85 min Color 20 max 30 max Chlorine (Cl ¯) ppm 5 max 5 max Iron (Fe) ppm 20 max 20 max Arsenic (As) ppm 1 max 50 max Sulfate (SO4 ² ¯) ppm50 max50 max Lead (Pb) ppm10 max H3PO3% 0.012 maxUses: industrial phosphoric acid for the production of a variety of phosphate, phosphate treatment of metal surfaces, the preparation of electrolytic and chemical polishing slurry liquid, and used as catalysts, drying and cleaning fluid, for the production of phosphate refractory clay, inorganic binder coating industry for metal rust; food phosphoric acid as sour agents and yeast nutrients, can be used in sauces, canned soft drinks the sour agent, when used in the yeast Saccharomyces source of nutrition.