Dicyclopentadiene |
Synonyms & Trade Names Bicyclopentadiene; DCPD; 1,3-Dicyclopentadiene dimer; 3a,4,7,7a-Tetrahydro-4,7-methanoindene [Note: Exists in two stereoisomeric forms.] |
CAS No. 77-73-6 |
RTECS No. PC1050000 |
DOT ID & Guide 2048 130 |
FormulaC10H12 |
Conversion 1 ppm = 5.41 mg/m3 |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 5 ppm (30 mg/m3)
OSHA PEL†: none |
Measurement Methods
OSHA PV2098
See: NMAM or OSHA Methods |
Physical Description Colorless, crystalline solid with a disagreeable, camphor-like odor. [Note: A liquid above 90°F.] |
MW: 132.2 |
BP: 342°F |
FRZ: 90°F |
Sol: 0.02% |
VP: 1.4 mmHg |
IP: ? |
Sp.Gr: 0.98 (Liquid at 95°F) |
Fl.P(oc): 90°F |
UEL: 6.3% |
LEL: 0.8% |
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Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F.
Combustible Solid |
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.] |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, nose, throat; incoordination, headache; sneezing, cough; skin blisters; in animals: kidney, lung damage |
Target Organs Eyes, skin, respiratory system, central nervous system, kidneys |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0873
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