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9127/2°2° <br />Centers for Disease <br />Control and Prevention <br />CDC -NIOSH Packet Guide to Chemical Hazards-T°luene <br />The National Institute for Occupational Safety and Health <br />(NIOSH) <br />Synonyms &Trade Names <br />Methyl benzene, Methyl benzol, Phenyl methane, Toluol <br />CAS No. RTECS No. <br />108-88-3 X55250000 <br />Formula Conversion <br />C6HSCH3 1 ppm = 3.77 mg/m3 <br />Exposure Limits <br />NIOSH REL <br />TWA 100 ppm (375 mg/m3) ST 150 ppm (560 mg/m3) <br />OSHA PEL <br />TWA 200 ppm C 300 ppm 500 ppm (10 -minute <br />maximum peak) See Appendix G <br />Physical Description <br />Colorless liquid with a sweet, pungent, benzene -like odor. <br />Molecular Boiling Point Freezing Point <br />Weight <br />232°F -139°F <br />92.1 <br />Specific Flash Point Upper <br />Gravity Explosive Limit <br />Promoting productive workplaces /©�. <br />through safety end health research <br />DOT ID &Guide <br />1294 130 <br />IDLH <br />500 ppm <br />See: 108883 <br />Measurement Methods <br />NIOSH 1500 , 1501 , 3800 , 4000; <br />OSHA 111 <br />See: NMAM or OSHA Methods <br />Solubility Vapor Ionization <br />Pressure Potential <br />(74°F): 0.07% <br />21 mmHg 8.82 eV <br />Lower <br />Explosive Limit <br />40°F <br />0.87 7.1 % 1.1 <br />Class IB Flammable Liquid: FI.P. below 73°F and BP at or above 100°F. <br />Incompatibilities &Reactivities <br />Strong oxidizers <br />haps:INivnv.cdc.gaviniosh/npg/npgd0619.htm1 112 <br />