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Divinyl benzene

Synonyms & Trade Names
Diethyl benzene, DVB, Vinylstyrene [Note: Commercial product contains all 3 isomers, but m-isomer predominates. Usually contains an inhibitor to prevent polymerization.]
CAS No.
1321-74-0 (mixed isomers)
RTECS No.
DOT ID & Guide
2049 130
Formula
C₆H₄(HC=CH₂)₂
Conversion
1 ppm = 5.33 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 10 ppm (50 mg/m3)
OSHA PEL
none See Appendix G
Measurement Methods
OSHA 89
See: NMAM or OSHA Methods
Physical Description
Pale, straw-colored liquid.
Molecular Weight
130.2
Boiling Point
392°F
Freezing Point
-88°F
Solubility
0.005%
Vapor Pressure
0.7 mmHg
Ionization Potential
?
Specific Gravity
0.93
Flash Point
(oc) 169°F
Upper Explosive Limit
6.2%
Lower Explosive Limit
1.1%
Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
Incompatibilities & Reactivities
None reported
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, respiratory system; skin burns; In Animals: central nervous system depression
Target Organs
Eyes, skin, respiratory system, central nervous system
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:No recommendation
Provide:Eyewash, Quick drench
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap flush immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
See also
INTRODUCTION   ICSC CARD: 0885
Page last reviewed: October 30, 2019