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Agent Name Dicyclopentadiene
CAS Number 77-73-6
Formula C10-H12
Major Category Solvents
Synonyms 1,3-CPD; 1,3-Cyclopentadiene, dimer; 3a,4,7,7a-Tetrahydro-4,7-methanoindene; 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-; 4,7-Methanoindene, 3a,4,7,7a-tetrahydro-; Bicyclopentadiene; Biscyclopentadiene; Cyclopentadiene dimer; Dicyclopentadiene; Dicyklopentadien [Czech]; Dimer cyklopentadienu [Czech]; Tricyclo(5.2.1.0)-3,8-decadiene; alpha-Dicyclopentadiene (endo form); [ChemIDplus] UN2048; UN1993; UN2929
Category Aliphatics, Unsaturated
Description Colorless, crystalline solid with a disagreeable, camphor-like odor; Note: A liquid above 90 degrees F; [NIOSH]
Sources/Uses Used as a chemical intermediate for insecticides and other products; [ACGIH] Used as a monomer and curing agent in polymer production; [HSDB]
Comments Exposed workers experienced headaches. [ACGIH] A skin, eye, and respiratory tract irritant; [ICSC] In animal experiments, calves are intoxicated at a dose of 250 mg/kg. [HSDB]
Exposure Assessment
Skin Designation (ACGIH) No
TLV (ACGIH) 5 ppm
MAK 0.5 ppm
Vapor Pressure 1.4 mm Hg
Odor Threshold Low 0.003 ppm
Odor Threshold High 0.01 ppm
Lethal Concentration LC50 (rats) = 660 ppm/4h
Explanatory Notes Detection odor threshold from AIHA (mean = 0.011 ppm); Flash point = 32 deg C;
Flammability (NFPA) 3: may ignite at ambient temperature
Adverse Effects
Hepatotoxin Hepatotoxin, Secondary
Links to Other NLM Databases
Health Studies Human Health Effects from Hazardous Substances Data Bank: DICYCLOPENTADIENE  
Toxicity Information Search TOXNET
Chemical Information Search ChemIDplus
Biomedical References Search PubMed
Related Information in Haz-Map
Other InformationNo other related information on this agent was found.





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Last updated: January, 2009