Vapor Density Not applicable Specific Gravity 3.6 Solubility 203 g/L (20°C) Partition coefficient; n-octanol/water No data available Autoignition Temperature Decomposition Temperature No information available Viscosity Not applicable Molecular Formula Cu O4 S Molecular Weight 159.6 10. Stability and reactivity Reactive Hazard None known, based on information available Stability Stable under normal conditions. Hygroscopic. Conditions to Avoid Avoid dust formation. Incompatible products. Excess heat. Exposure to moisture. Incompatible Materials Strong bases, Metals, Alkali metals, Powdered metals Hazardous Decomposition Products Highly toxic fumes, Sulfur oxides, Copper oxides Hazardous Polymerization Hazardous polymerization does not occur. Hazardous Reactions None under normal processing. 11. Toxicological information Acute Toxicity Product Information Personal Protective Equipment Eye/face Protection Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin and body protection Wear appropriate protective gloves and clothing to prevent skin exposure. Respiratory Protection Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Hygiene Measures ______________________________________________________________________________________________ Page 4 / 7 Handle in accordance with good industrial hygiene and safety practice.