DICYCLOPENTADIENE
CAS # | 77-73-6 |
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Formula |
C₁₀H₁₂ |
Synonyms |
bicyclopentadiene; DCPD; 1,3-dicyclopentadiene dimer; 3a,4,7,7a-tetrahydro-4,7-methanoindene |
Physical description | A liquid with an acrid odor. | ||
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Boiling point | 342°F | Molecular weight | 132.2 |
Freezing point/melting point | 92.5°F | Vapor pressure | 1.4 mmHg |
Flash point | 90°F (open cup) | Vapor density | 4.55 |
Specific gravity | 0.98 | Ionization potential | |
Lower explosive limit (LEL) | 0.8% | Upper explosive limit (UEL) | 6.3% |
NFPA health rating | 3 | NFPA fire rating | 3 |
NFPA reactivity rating | 1 | NFPA special instruction | |
Vapor hazard ratio (VHR) | |||
Historical exceedance percentage | |||
Target organs |
Analyte code (IMIS no.) | 0903 | ||
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Sampling group | |||
Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] | ||
Sampling time* | 100 min |
||
Sampling volume (TWA)* | 10 L |
||
Sampling flow rate (TWA)* | 0.1 L/min |
||
Sampling volume (STEL/Peak/C)* | |||
Sampling flow rate (STEL/Peak/C)* | |||
Analytical method instruments | GC-FID | ||
Method reference | OSHA PV2098 (partially validated) | ||
Notes | |||
Special requirements |
* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
Wipe Sampler/Sampling media | |
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Bulk Method |
Device | |||||
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Model/Type | |||||
Sampling information (see manufacturer instructions) |
OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
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PEL-TWA | REL-TWA |
5 ppm (30 mg/m³) |
TLV-TWA |
0.5 ppm [2018] |
PEL-TWA |
5 ppm (30 mg/m³) |
|
PEL-STEL | REL-STEL | TLV-STEL |
1 ppm [2018] |
PEL-STEL | |||
PEL-C | REL-C | TLV-C | PEL-C | ||||
Skin notation |
NA |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Notes:
Not established |
Notes: | Notes: | Notes: | ||||
Health factors: See NIH-NLM PubChem. | IDLH | ||||||
Carcinogenic classifications: Not listed | Notes: | ||||||
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
0.01 ppm/5 ppm/75 ppm |
Additional Resources and Literature References
NOAA: CAMEO Chemicals - Dicyclopentadiene NIOSH: Pocket Guide to Chemical Hazards - Dicyclopentadiene Literature References
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Last Updated Date : 12/28/2020