NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

Vinyl toluene

CAS
25013-15-4 (inhibited)

CH2=CHC6H4CH3

RTECS
WL5075000
Synonyms & Trade Names

Ethenylmethylbenzene, Methylstyrene, Tolyethylene
DOT ID & Guide
2618 / 130P (inhibited)

Exposure
Limits

NIOSH REL: TWA 100 ppm (480 mg/m3)
OSHA PEL: TWA 100 ppm (480 mg/m3)
IDLH
400 ppm See: IDLH INDEX
Conversion
1 ppm = 4.83 mg/m3
Physical Description
Colorless liquid with a strong, disagreeable odor.
MW: 118.2
BP: 339°F
FRZ: -106°F
Sol: 0.009%
VP: 1 mmHg
IP: 8.20 eV

Sp.Gr: 0.89
Fl.P: 127°F
UEL: 11.0%
LEL: 0.8%

Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F.
Incompatibilities & Reactivities

Oxidizers, peroxides, strong acids, iron or aluminum salts [Note: Usually inhibited with tert-butyl catechol to prevent polymerization.]
Measurement Methods
NIOSH 1501, OSHA 7
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 or contaminated
Change: No recommendation

First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap flush promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
NIOSH/OSHA
Up to 400 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 = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
(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, ingestion, skin and/or eye contact
Symptoms
Irritation eyes, skin, upper respiratory system; drowsiness; in animals: narcosis
Target Organs
Eyes, skin, respiratory system, central nervous system
See also: INTRODUCTION   See ICSC CARD: 0514