Dicyclopentadiene
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CAS
77-73-6
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C10H12
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RTECS
PC1050000
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Synonyms & Trade Names
Bicyclopentadiene; DCPD; 1,3-Dicyclopentadiene dimer; 3a,4,7,7a-Tetrahydro-4,7-methanoindene [Note: Exists in two stereoisomeric forms.]
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DOT ID & Guide
2048 / 130
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Exposure
Limits
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NIOSH REL: TWA 5 ppm (30 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 = 5.41 mg/m3
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Physical Description
Colorless, crystalline solid with a disagreeable, camphor-like odor. [Note: A liquid above 90°F.]
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MW: 132.2
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BP: 342°F
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FRZ: 90°F
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Sol: 0.02%
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VP: 1.4 mmHg
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IP: ?
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Sp.Gr: 0.98 (Liquid at 95°F)
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Fl.P(oc): 90°F
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UEL: 6.3%
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LEL: 0.8%
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Class IC Flammable Liquid
Combustible Solid
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Incompatibilities & Reactivities
Oxidizers [Note: Depolymerizes at boiling point and forms two molecules of cyclopentadiene. Must be inhibited and maintained under an inert atmosphere to prevent polymerization.]
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Measurement Methods
OSHA PV2098
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: Daily
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, nose, throat; incoordination, headache; sneezing, cough; skin blisters; in animals: kidney, lung damage
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Target Organs
Eyes, skin, respiratory system, central nervous system, kidneys
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