NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

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 / 129

Exposure
Limits

NIOSH REL: TWA 50 ppm (250 mg/m3) ST 75 ppm (375 mg/m3)
OSHA PEL: none
IDLH
N.D. See: IDLH INDEX
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 73F and below 100F.
Incompatibilities & Reactivities

Acids, alkalis, oxidizers, reducing materials, water
Measurement Methods
None available
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
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
Not available.
Important additional information about respirator selection
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