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SAFETY DATA SHEET are considered to be the local effects observed in the inhalation studies, effects which are probably related to the irritative properties of propylene carbonate. For the estimation of a limit value in air, a NOAEL of 100 mg/m3 is considered for local effects observed in a 90 day rat study. N-methyl-2-pyrrolidine (NMP) has a low potential for skin irritation and a moderate potential for eye irritation in rabbits. Repeated daily doses of 450 mg/kg body weight administered to the skin caused painful and severe haemorrrhage and eschar formation in rabbits. These adverse effects have not been seen in workers occupationally exposed to pure NMP, but they have been observed after dermal exposure to NMP used in cleaning processes. No sensitization potential has been observed. Eyes: Irritates and burns eyes with acute exposure. Irreversible damage is expected after acute exposure. Skin: Will defat skin and possibly dermatitis with prolonged exposure. Ingestion: Not a likely route of exposure and not expected to be a chronic issue. Inhalation: If inhaled for long periods of time expected to cause irritation of the upper respiratory tract and mucous membranes. 12.ECOLOGICAL INFORMATION Species Test Information Concentration Fish 500 mg/l n-methyl-2-pyrrolidone Fish 500 mg/l n-methyl-2-pyrrolidone Aquatic Invertebrates EC50 - 4 days 107 g/l n-methyl-2-pyrrolidone Aquatic Invertebrates 1 g/l Aquatic organisms Predicted No effect conc. 900 ug/L Propylene Carbonate Fish LC50 - 4 days 1000 mg/L Propylene Carbonate Aquatic invertebrates EC50 - 48 hr 1000 mg/L Propylene Carbonate Fish LC50 - 48 hrs 3.3 - 8.8 mg/l Polyoxyethylenealkylether Crustacea LC50 - 48 hrs >1.0 mg/L Polyoxyethylenealkylether Acutely toxic to aquatic organisms but readily biodegradable without long lasting effects. PRODUCTS OF BIODEGRADATION: Components readily biodegrade and products of biodegradation are less toxic than the chemicals, themselves. 13.DISPOSAL CONSIDERATIONS Dispose of any waste in compliance with local, state, and federal regulations. Determine EPA RCRA waste categorization at the time of disposal as mixing with other materials may change its categorization. Containers may contain residue that needs to be addressed at time of disposal. Recycling containers needs to address any remaining residues. n-methyl-2-pyrrolidone NOEC - 4 days LC50 - 4 days Component EC50 - 24 hrs EasiSolv 35 Page 6 of 9