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Cyclopentadiene

CAS 542-92-7 · C5H6
Hazard class
Danger — Flammable, Toxic, Irritant / harmful, Health hazard
Pictograms
FlammableToxicIrritant / harmfulHealth hazard
H-statements
  • H225 Highly flammable liquid and vapour
  • H226 Flammable liquid and vapour
  • H301 Toxic if swallowed
  • H311 Toxic in contact with skin
  • H312 Harmful in contact with skin
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H332 Harmful if inhaled
  • H335 May cause respiratory irritation
  • H317 May cause an allergic skin reaction
  • H336 May cause drowsiness or dizziness
  • H370 Causes damage to organs
  • H373 May cause damage to organs through prolonged or repeated exposure
Workplace exposure limits
NIOSH REL TWA 75 ppm (200 mg/m3)
OSHA PEL TWA 75 ppm (200 mg/m3)
IDLH 750 ppm
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
208-835-4 · Cyclopentadiene · 1,3-CYCLOPENTADIENE · cyclopenta-1,3-diene · Pyropentylene · Pentole · R-Pentine · 5DFH9434HF
Molecular weight
66.1 g/mol
Browse similar
Flammable · Toxic · Irritant / harmful · Health hazard
Data source
Aggregated classification PubChem · REACH-registered
GHS aggregated by PubChem from registrant and agency submissions; not individually harmonised. Always verify against the official SDS before compliance use.
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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). Reagent is a free chemical safety search. Browse categories · API · Console
Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.