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AERO 343 Xanthate MSDS No: 00293 Date: 07/31/2000 Page 3 of 6DUST EXPLOSION HAZARD CLASS -1 Handling of material should be in accordance with NFPA-68. Ifhandled with flammable or combustible materials the explosion hazard may increase.8. EXPOSURE CONTROLS/PERSONAL PROTECTIONENGINEERING CONTROLS AND PERSONAL PROTECTIVE EQUIPMENT (PPE)Where this material is not used in a closed system, good enclosure and local exhaust ventilation should be provided to control exposure. Food, beverages, and tobacco products should not be carried, stored, or consumed where this material is in use. Before eating, drinking, or smoking, wash face and hands with soap and water. Avoid skin contact. Protective clothing such as impervious gloves, apron, workpants, long sleeve <br />work shirt, or disposable coveralls are recommended to prevent skin contact. For operations where eye or <br />face contact can occur, wear eye protection such as chemical splash proof goggles or face shield. Eyewash <br />equipment and safety shower should be provided in areas of potential exposure. Where exposures are <br />below the Permissible Exposure Limit (PEL), no respiratory protection is required. Where exposures exceed <br />the PEL, use respirator approved by NIOSH for the material and level of exposure. See "GUIDE TO <br />INDUSTRIAL RESPIRATORY PROTECTION" (NIOSH). <br />9. PHYSICAL AND CHEMICAL PROPERTIES <br />APPEARANCE AND ODOR: Pellets or powder, pale yellow to green, slight disagreeable odor. <br />BOILING POINT: Not applicable <br />MELTING POINT: Not available <br />VAPOR PRESSURE: Not applicable <br />SPECIFIC GRAVITY: 1.35 @ 20 C <br />VAPOR DENSITY: Not applicable <br />% VOLATILE (BY WT): Not available <br />pH: Not applicable <br />SATURATION IN AIR (% BY VOL): Not applicable <br />EVAPORATION RATE: Negligible <br />SOLUBILITY IN WATER: 37 g/100 g @ 20 C <br />VOLATILE ORGANIC CONTENT: Not available <br />10. STABILITY AND REACTIVITY <br />STABILITY: Stable <br />CONDITIONS TO AVOID: See Section 7 (Handling and Storage). <br />POLYMERIZATION: Will Not Occur <br />CONDITIONS TO AVOID: None known <br />INCOMPATIBLE MATERIALS: Strong oxidizing agents, acidic material and high temperatures. <br />HAZARDOUS DECOMPOSITION PRODUCTS: carbon disulfide; carbon monoxide; carbon dioxide; oxides <br />of sulfur (includes sulfur di and tri oxides) <br />11. TOXICOLOGICAL INFORMATION <br />Toxicological information for the product is found under Section 3. HAZARDS IDENTIFICATION. <br />Toxicological information on the OSHA regulated components of this product is as follows: <br />Sodium isopropyl xanthate has an acute oral (rat) and acute dermal (rabbit) LD50 values of >800 mg/kg and <br />>1,000 mg/kg, respectively. Direct contact with this material may cause irritation to skin, eyes, mucous <br />membrane and respiratory tract. It has been reported direct contact may cause moderate skin sensitation. <br />Sodium isopropyl xanthate tested negative for Ames test. <br />A46