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AERO 343 Xanthate MSDS No: 00293 Date: 07/31/2000 Page 4 of 6Acute overexposure to sodium hydroxide mists or dusts causes severe respiratory irritation. A solution ofsodium hydroxide can produce irreversible damage to eyes and skin.Sodium sulfide has an acute oral (rat) LD50 value of 208 mg/kg. Sodium sulfide severely irritates the skin and eyes, as well as, mucous membranes. This material liberates hydrogen sulfide upon contact with acids.Isopropanol has acute oral (rat) and dermal (rabbit) LD50 values of 5.0 g/kg and 12.8 g/kg, respectively. The 4-hour inhalation LC50 (rat) for isopropanol is >16,000 ppm (40.86 mg/L). Acute overexposure to isopropanol vapor may cause mild irritation of the eyes and respiratory tract. Chronic overexposure to isopropanol vapors may cause central nervous system depression, headaches, dizziness, nausea, and staggered gait. Liquid isopropanol is a severe eye irritant. <br />12. ECOLOGICAL INFORMATION <br />This material is not readily biodegradable. <br />LC50 <br />TROUT 96 HOUR: 595 mg/L <br />BOD <br />28 Day: 1.9 % <br />OCTANOL/H2O PARTITION COEF.: Not applicable <br />13. DISPOSAL CONSIDERATIONS <br />The information on RCRA waste classification and disposal methodology provided below applies only to the <br />Cytec product, as supplied. If the material has been altered or contaminated, or it has exceeded its <br />recommended shelf life, the guidance may be inapplicable. Hazardous waste classification under federal <br />regulations (40 CFR Part 261 et seq) is dependent upon whether a material is a RCRA "listed hazardous <br />waste" or has any of the four RCRA "hazardous waste characteristics." Refer to 40 CFR Part 261.33 to <br />determine if a given material to be disposed of is a RCRA "listed hazardous waste"; information contained in <br />Section 15 of this MSDS is not intended to indicate if the product is a "listed hazardous waste." RCRA <br />Hazardous Waste Characteristics: There are four characteristics defined in 40 CFR Section 261.21-61.24: <br />Ignitability, Corrosivity, Reactivity, and Toxicity. To determine Ignitability, see Section 5 of this MSDS (flash <br />point). For Corrosivity, see Sections 9 and 14 (pH and DOT corrosivity). For Reactivity, see Section 10 <br />(incompatible materials). For Toxicity, see Section 2 (composition). Federal regulations are subject to <br />change. State and local requirements, which may differ from or be more stringent than the federal <br />regulations, may also apply to the classification of the material if it is to be disposed. Cytec encourages the <br />recycle, recovery and reuse of materials, where permitted, as an alternate to disposal as a waste. Cytec <br />recommends that organic materials classified as RCRA <br />hazardous wastes be disposed of by thermal treatment or incineration at EPA approved facilities. Cytec has <br />provided the foregoing for information only; the person generating the waste is responsible for determining <br />the waste classification and disposal method. <br />14. TRANSPORT INFORMATION <br />This section provides basic shipping classification information. Refer to appropriate transportation <br />regulations for specific requirements. <br />D.O.T. IMO <br />SHIPPING INFORMATION SHIPPING INFORMATION <br />SHIPPING <br />NAME: XANTHATES XANTHATES <br />HAZARD <br />CLASS/ DIVISION 4.2 4.2 <br />PACKING II II <br />GROUP: <br />UN NUMBER: UN3342 3342 <br />IMDG PAGE: Not Applicable 4266-2 <br />A47