# NIOSH Pocket Guide to Chemical Hazards
o-Chlorotoluene | CAS 95-49-8
ClC6H4CH3 | RTECS XS9000000
Synonyms & Trade Names 1-Chloro-2-methylbenzene, 2-Chloro-1-methylbenzene, 2-Chlorotoluene, o-Tolyl chloride | DOT ID & Guide 2238 130
Exposure Limits | NIOSH REL: TWA 50 ppm (250 mg/m3) ST 75 ppm (375 mg/m3)
OSHA PEL†: none
IDLH N.D. | Conversion 1 ppm = 5.18 mg/m3
Physical Description Colorless liquid with an aromatic odor.
MW: 126.6 | BP: 320°F | FRZ: -31°F | Sol(77°F): 0.009%
VP(77°F): 4 mmHg | IP: 8.83 eV |  | Sp.Gr: 1.08
Fl.P: 96°F | UEL: ? | LEL: ? |
Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F.
Incompatibilities & Reactivities Acids, alkalis, oxidizers, reducing materials, water
Measurement Methods None available
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation Provide: Eyewash | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, mucous membrane; dermatitis; drowsiness, incoordination, anesthesia; cough; liver, kidney injury
Target Organs Eyes, skin, respiratory system, central nervous system, liver, kidneys
See also: INTRODUCTION