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NIOSH Por '-r " Guide to Chemi 1�jazards <br /> im-Xylene CAS 108-38-3 <br /> JC6H 4(CH3)2 RTECS ZE2275000 <br /> Synonyms & Trade Names DOT ID& Guide <br /> 1,3-Dimethylbenzene; meta-Xylene; m-Xylol 1307130 <br /> Exposure NIOSH REL:TWA 100 ppm (435 mg/m3)ST 150 ppm (655 mg/m3) <br /> Limits OSHA PELF:TWA 100 ppm (435 mg/m3) <br /> IDLH 900 ppm See: 95476 Conversion 1 ppm=4.34 mg/m3 <br /> Physical Description <br /> Colorless liquid with an aromatic odor. <br /> MW: 106.2 BP:282°F FRZ: 54°F Sol: Slight <br /> VP:9 mmHg IP:8.56 eV �— Sp.Gr.0.86 <br /> FI.P: 82°F U E L: 7.0% LEL: 1.1% �— <br /> Class IC Flammable Liquid: FI.P.at or above 73°F and below 100°F. <br /> Incompatibilities & Reactivities <br /> Strong oxidizers,strong acids <br /> Measurement Methods <br /> NIOSH 1501,3800;OSHA 1002 <br /> See: NMAM or OSHA Methods <br /> Personal Protection & Sanitation First Aid(See procedures) <br /> Skin: Prevent skin contact Eye: Irrigate immediately <br /> Eyes: Prevent eye contact Skin: Soap wash promptly <br /> Wash skin:When contaminated Breathing: Respiratory support <br /> Remove:When wet(flammable) Swallow: Medical attention immediately <br /> Change: No recommendation <br /> Important additional information about respirator selection <br /> Respirator Recommendations NIOSH/OSHA <br /> Up to 900 ppm: (APF= 10)Any chemical cartridge respirator with organic vapor cartridge(s)*/(APF=25)Any powered,air-purifying <br /> respirator with organic vapor cartridge(s)*/(APF= 10)Any supplied-air respirator*/(APF=50)Any self-contained breathing <br /> apparatus with a full facepiece <br /> Emergency or planned entry into unknown concentrations or IDLH conditions:(APF=10,000)Any self-contained breathing <br /> apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode/(APF=10,000)Any <br /> supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in <br /> combination with an auxiliary self-contained positive-pressure breathing apparatus <br /> Escape: (APF=50)Any air-purifying,full-facepiece respirator(gas mask)with a chin-style,front-or back-mounted organic vapor <br /> canister/Any appropriate escape-type,self-contained breathing apparatus <br /> Exposure Routes inhalation,skin absorption,ingestion,skin and/or eye contact <br /> Symptoms Irritation eyes,skin,nose,throat;dizziness,excitement,drowsiness,incoordination,staggering gait;corneal <br /> vacuolization;anorexia,nausea,vomiting,abdominal pain;dermatitis <br /> Target Organs Eyes,skin, respiratory system,central nervous system,gastrointestinal tract,blood,liver, kidneys <br /> See also: INTRODUCTION See ICSC CARD:0085 See MEDICAL TESTS:0243 <br /> NIOSH Home I NIOSH Search I Site Index I Topic List I Contact Us <br />