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| Dicyclopentadiene | CAS 77-73-6 | ||
| C10H12 | 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.] |
DOT ID & Guide 2048 129 |
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Exposure Limits |
NIOSH REL: TWA 5 ppm (30 mg/m3) | ||
| OSHA PEL�: none | |||
| IDLH N.D. | 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 |
BP: 342°F |
FRZ: 90°F |
Sol: 0.02% |
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VP: 1.4 mmHg |
IP: ? |
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Sp.Gr: 0.98 (Liquid at 95°F) |
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Fl.P(oc): 90°F |
UEL: 6.3% |
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 None available |
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Personal Protection & Sanitation 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 To be added later | |
| 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 | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, kidneys |
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| See also: INTRODUCTION |