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1-Chloro-1-cyclopentene

Also known as: 1-Chlorocyclopentene, 1-Chloro-1-cyclopentene 97%, 1-Chloro-1-cyclopentene ISO 9001:2015 REACH, 1-chlor-1-cyclopenten, 1-chloro-cyclopentene, 1-chlorocyclopent-1-ene, 1-cyclopentenyl chloride, 2-Chloro-1-cyclopentene, Cyclopentene, 1-chloro-, MFCD00010247

1-Chloro-1-cyclopentene (CAS 930-29-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H7Cl and a molecular weight of 102.56200 g/mol. Key properties include a boiling point of 113-115ºC, a density of 1.035 and a flash point of 9.4 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
930-29-0
Jingsj CID
J-1992743-6
Molecular Formula
C5H7Cl
Molecular Weight
102.56200 g/mol
Category
Aliphatic Hydrocarbons
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point113-115ºC
Density1.035
Flash Point9.4 °C
Exact Mass102.02400
LogP2.29300
Refractive Index1.4651

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2903890090
Summary2903890090. halogenated derivatives of cyclanic, cyclenic or cyclotherpenic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-Chloro-1-cyclopentene?

The CAS number of 1-Chloro-1-cyclopentene is 930-29-0.

What are the molecular formula and molecular weight of 1-Chloro-1-cyclopentene?

1-Chloro-1-cyclopentene has molecular formula C5H7Cl and molecular weight 102.56200 g/mol.

Is 1-Chloro-1-cyclopentene hazardous?

1-Chloro-1-cyclopentene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Chloro-1-cyclopentene (CAS 930-29-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992743-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.