Zinc Stearate, Reagent, Powder -400 mesh, 10kg (2.5kg x 4) For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) White Appearance (Form) Powder Particle Size -400 mesh Total Ash 13.57% Moisture 0.19% Free Fatty Acid 0.14% Softening Point 121°C CAS: 557-05-1 FORMULA: Zn[CH3(CH2)16CO2]2