English Safety Data Sheet Database 中文版 MSDS

bromocyclopentane

CAS No. 137-43-9 | PubChem CID 8728
Section 1. Identification
Chemical Namebromocyclopentane CAS No.137-43-9
Synonymscyclopentyl bromide Chinese Name溴代环戊烷
Molecular FormulaC5HgBr Molecular Weight149.029
UN No.1993 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word WARNING
Pictograms GHS02 · Flammable
Hazard Statements H226
Precautionary Statements P210P233P240P241P242P243P280P303+P361+P353P370+P378P403+P235P501

Section 2. Hazards Identification

H226 (98.8%): Flammable liquid and vapor [Warning Flammable liquids]

P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 82 reports by companies from 5 notifications to the ECHA C&L Inventory.

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Section 9. Physical and Chemical Properties

Schoenflies notation

Chemical bond

Internuclear distance

Molecular structure

Nuclear quadrupole resonance spectroscopy

Optical coefficient

Point group

Quadrupole coupling

Reaction coordinate

Refractive index

Surface tension

Source: PubChem CID 8728 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 10:01:42.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.