cyclopentene (C5H8)

cyclopentene (C5H8)

It is a colorless, flammable liquid.  It is used as a solvent, as an intermediate in the synthesis of organic compounds and as a reagent in organic chemistry.

Properties of cyclopentene (C5H8):

  • Reactivity: Slightly reactive, stable under normal conditions. Reacts with strong oxidizing agents.
  • Boiling point: 44 °C
  • Melting point: -135 °C
  • Solubility: Sparingly soluble in water, soluble in ethanol, diethyl ether and benzene.
  • Health risks: Cyclopentene can cause skin irritation and respiratory disorders if inhaled. It may also have adverse effects on the central nervous system in the event of prolonged exposure or at high concentrations.
  • Protection and prevention: Handle with care in a well-ventilated environment, wearing personal protective equipment (gloves, goggles, mask). Store in a cool, dry, dark place.

> About these data

Formula C5H8
International name cyclopentene
French name Cyclopentène
CAS 142-29-0
EINECS 212-829-7
Filter ARI
IP (eV)
Vapour density (air = 1) 2,35
Conversion (1 ppm =) 2.79 mg/m3
LIE 1.5 %
LSE 12.1 %
VLEP CT (15mn)
VLEP (8h)
STEL (15 min.)
TWA (8h)

Gas detectors for cyclopentene (C5H8)

A cyclopentene (C5H8) gas detector can accurately measure the concentrations of this explosive gas; it is therefore recommended to choose a cyclopentene (C5H8) detection in explosive mode, with a measurement expressed as a percentage of LEL (explosimeter).

MX4-EXPLO flammable gas detector (explosimeter)

Détecteur gaz inflammable explosimètre MX4-EXPLO

X-am 2500 Portable 4-gas detector

Détecteur 4 gaz portable X-am 2500

Gas leak detectors - Catharometer GT Series

Détecteur de fuites de gaz - Catharomètre GT Series

Radius® BZ1 Area monitor

Balise de surveillance de zone Radius® BZ1

OLCT10 Fixed gas detector

Détecteur gaz fixe OLCT10

OLCT100 Fixed Gas Detector

Détecteur de gaz fixe OLCT100

SensePoint XCD ATEX gas detector with display

Détecteur gaz ATEX avec afficheur SensePoint XCD

KwikSense PID VOC Detector

Détecteur COV KwikSense PID

Self-contained breathing apparatus for cyclopentene (C5H8)

cyclopentene (C5H8) is a toxic, asphyxiating gas with a high risk of suffocation, so we recommend an open-circuit breathing apparatus (ARICO), an air-supply system for long-duration operations and a self-rescue mask for emergency evacuations.

R-PAS complete SCBA kit

Appareil respiratoire isolant complet R-PAS

PSS 3000 Self Contained Breathing Apparatus (SCBA)

Appareil respiratoire à circuit ouvert PSS 3000

PSS Airboss firefighter self-contained breathing apparatus

Appareil respiratoire isolant pompiers PSS Airboss

X-plore 9300 supplied air system

Système à adduction d’air X-plore 9300

M20.2 self-rescue mask

Masque auto sauveteur M20.2

Self-rescuers OXY SR30 & OXY SR60

Auto-sauveteurs OXY SR30 & OXY SR60

SK 1203 Escape breathing device

Appareil respiratoire d’évacuation SK 1203

Saver CF emergency SCBA

ARI de secours Saver CF
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