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Cyclopentene

Catalog No. 29821 Name Sigma Aldrich
CAS Number 142-29-0 Website http://www.sigmaaldrich.com
M. F. C5H8 Telephone 1-800-521-8956
M. W. 68.11702 Fax
Purity ≥95.0% (GC) Email
Storage Chembase ID: 74485

SYNONYMS

Title
环戊烯
IUPAC name
cyclopentene
IUPAC Traditional name
cyclopentene

DATABASE IDS

CAS Number 142-29-0
Beilstein Number 635707
EC Number 205-532-9
MDL Number MFCD00001394
PubChem SID 24857967

PROPERTIES

Contains ~0.01% 2,6-di-tert-butyl-4-methylphenol as stabilizer
Empirical Formula (Hill Notation) C5H8
Grade purum
Purity ≥95.0% (GC)
Auto Ignition Point 743 °F
Boiling Point 44-46 °C(lit.)
Density 0.771 g/mL at 25 °C(lit.)
Flash Point -34 °C
Flash Point -29.2 °F
Melting Point -135 °C(lit.)
Refractive Index n20/D 1.421(lit.)
Refractive Index n20/D 1.421
Vapor Pressure 20.89 psi ( 55 °C)
Vapor Pressure 6.11 psi ( 20 °C)
GHS Pictograms GHS02
GHS Pictograms GHS07
GHS Pictograms GHS08
GHS Signal Word Danger
GHS Hazard statements H225-H302 + H312-H304-H315-H319-H335
European Hazard Symbols Flammable Flammable (F)
European Hazard Symbols Harmful Harmful (Xn)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
GHS Precautionary statements P210-P261-P280-P301 + P310-P305 + P351 + P338-P331
RID/ADR UN 2246 3/PG 2
Risk Statements 11-21/22-36/37/38-65
RTECS GY5950000
Safety Statements 9-16-26-33-36-62
Hazard Class 3
UN Number 2246
Packing Group 2
German water hazard class 3

DETAILS

REFERENCES