Hazard classDanger — Flammable, Irritant / harmful, Environmental hazard
PictogramsFlammableIrritant / harmfulEnvironmental hazard
H-statements- H225 Highly flammable liquid and vapour
- H332 Harmful if inhaled
- H302 Harmful if swallowed
- H335 May cause respiratory irritation
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H411 Toxic to aquatic life with long lasting effects
Common uses (US EPA CDR)MonomersIntermediatePlasticizerAdhesion/cohesion promoterHardenerLaboratory chemicals
Workplace exposure limitsNIOSH REL TWA 5 ppm (30 mg/m3)
OSHA PEL none
IDLH N.D.Occupational exposure limits — NIOSH Pocket Guide.
SynonymsDICYCLOPENTADIENE · Cyclopentadiene dimer · Bicyclopentadiene · Biscyclopentadiene · Dicyklopentadien · Dimer cyklopentadienu · DCPD · 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-
Molecular weight132.2 g/mol
Data sourceHarmonised classification ECHA — EU CLP Annex VILegally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.