o-Xylene
|
CAS
95-47-6
|
C6H4(CH3)2
|
RTECS
ZE2450000
|
Synonyms & Trade Names
1,2-Dimethylbenzene; ortho-Xylene; o-Xylol
|
DOT ID & Guide
1307 / 130
|
Exposure
Limits
|
NIOSH REL: TWA 100 ppm (435 mg/m3) ST 150 ppm (655 mg/m3)
|
|
OSHA PEL†: TWA 100 ppm (435 mg/m3)
|
IDLH
900 ppm
See: 95476
|
Conversion
1 ppm = 4.34 mg/m3
|
Physical Description
Colorless liquid with an aromatic odor.
|
MW: 106.2
|
BP: 292°F
|
FRZ: -13°F
|
Sol: 0.02%
|
VP: 7 mmHg
|
IP: 8.56 eV
|
|
Sp.Gr: 0.88
|
Fl.P: 90°F
|
UEL: 6.7%
|
LEL: 0.9%
|
|
|
Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F.
|
Incompatibilities & Reactivities
Strong oxidizers, strong acids
|
Measurement Methods
NIOSH 1501, 3800; OSHA 1002
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
|
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
|
Respirator Recommendations
NIOSH/OSHA
Up to 900 ppm:
(APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*
(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*
(APF = 10) Any supplied-air respirator*
(APF = 50) Any self-contained breathing apparatus with a full facepiece
Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
|
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
|
Symptoms
Irritation eyes, skin, nose, throat; dizziness, excitement, drowsiness, incoordination, staggering gait; corneal vacuolization; anorexia, nausea, vomiting, abdominal pain; dermatitis
|
Target Organs
Eyes, skin, respiratory system, central nervous system, gastrointestinal tract, blood, liver, kidneys
|
|
See also: INTRODUCTION
See ICSC CARD: 0084 See MEDICAL TESTS: 0243
|
