Divinyl benzene
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CAS
1321-74-0 (mixed isomers)
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C6H4(HC=CH2)2
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RTECS
CZ9370000
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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.]
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DOT ID & Guide
2049 / 130
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Exposure
Limits
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NIOSH REL: TWA 10 ppm (50 mg/m3)
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
1 ppm = 5.33 mg/m3
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Physical Description
Pale, straw-colored liquid.
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MW: 130.2
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BP: 392°F
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FRZ: -88°F
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Sol: 0.005%
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VP: 0.7 mmHg
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IP: ?
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Sp.Gr: 0.93
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Fl.P(oc): 169°F
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UEL: 6.2%
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LEL: 1.1%
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Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
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Incompatibilities & Reactivities
None reported
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Measurement Methods
OSHA 89
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
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin, respiratory system; skin burns; in animals: central nervous system depression
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Target Organs
Eyes, skin, respiratory system, central nervous system
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See also: INTRODUCTION See ICSC CARD: 0885
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