ZINC PHOSPHIDE POWDER, supplied by Sigma-Aldrich, is an inorganic chemical compound. It is used as a rodenticide against such small mammals as mice, rats, field mice, and squirrelsPRODUCT SPECIFICATIONS: Name: ZINC PHOSPHIDE POWDER Category: Fine chemicals Brand: Sigma-Aldrich Pack size: 1KG Catalog number: 04502-1KG List price: 8151.225PRODUCT FEATURES: CAS Number: 1314-84-7 Linear Formula: Zn3P2 Molecular Weight: 258.12 Assay: 19% active phoshor (P) basis Form: powder Melting point: 1,160 C (2,120 F; 1,430 K) Solubility: insoluble in ethanol, soluble in benzene, reacts with acids Appearance: dark gray Odor: characteristic Density: 4.55 g/cm3