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4-Pentenoyl chloride

Also known as: 4-Pentenoic acid chloride, pent-4-enoyl chloride, allyl acetyl chloride, 4-Pentenoicacid chloride, 4-Pentenoyl chloride (9CI, ACI), 4-penteneoyl chloride, 4-pentenoic acid chlorid, MFCD00799572, PENT-4-ENOYL CHLORIDE, pent-4-enoylchloride, pentenoic acid chloride, 33249 4-pentenoyl chloride

4-Pentenoyl chloride (CAS 39716-58-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H7ClO and a molecular weight of 118.56100 g/mol. Key properties include a boiling point of 125ºC, a density of 1.074 and a flash point of 27ºC. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
39716-58-0
Jingsj CID
J-47778-1
Molecular Formula
C5H7ClO
Molecular Weight
118.56100 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point125ºC
Density1.074
Flash Point27ºC
Exact Mass118.01900
PSA17.07000
LogP1.71800
Refractive Index1.433

GHS Safety & Compliance

Flammable / CorrosionSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2916190090
Summary2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Pentenoyl chloride?

The CAS number of 4-Pentenoyl chloride is 39716-58-0.

What are the molecular formula and molecular weight of 4-Pentenoyl chloride?

4-Pentenoyl chloride has molecular formula C5H7ClO and molecular weight 118.56100 g/mol.

Is 4-Pentenoyl chloride hazardous?

4-Pentenoyl chloride has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.

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

Last updated:

How to cite: Jingsj. "4-Pentenoyl chloride (CAS 39716-58-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47778-1 (accessed 2026-11-09).

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