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Pent-1-ene

Also known as: 1-PENTEN, 1-PENTENE/N-AMYLENE, 1-Pentene, 2,5-Diamino-4,5-diketopyrimidine, 2,6-diamino-1,6-dihydro-4,5-pyrimidinedione, 2,6-diamino-3,6-dihydropyrimidine-4,5-dione, 4,5-Pyrimidinedione,2,6-diamino-1,6-dihydro, EINECS 203-694-5, MFCD00003567, Pentene, S-propyl dichlorophosphorodithioate, UNII-ALP8M0LU81, n-Pent-1-ene, n-Propyl dithiophosphat-dichlorid, n-Propylphosphorodichloridodithioate, pent-1-ene, propyl dichlorodithiophosphate, propyl ethylene

Pent-1-ene (CAS 109-67-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H10 and a molecular weight of 70.133 g/mol. Key properties include a melting point of -165ºC, a boiling point of 29.9±3.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of -28.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H224, H304 and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
109-67-1
Jingsj CID
J-1363175-6
Molecular Formula
C5H10
Molecular Weight
70.133 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-165ºC
Boiling Point29.9±3.0 °C at 760 mmHg
Density0.7±0.1 g/cm3
Flash Point-28.9±0.0 °C
Exact Mass70.078247
LogP2.90
Additional Property2.4 (vs air)
Vapor Pressure637.2±0.0 mmHg at 25°C
Refractive Index1.386
Additional Property0.15 g/L (20 ºC)

GHS Safety & Compliance

Flammable / Irritant / Health HazardSignal word: Danger
  • H224
  • H304
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2901299090
Summary2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Pent-1-ene?

The CAS number of Pent-1-ene is 109-67-1.

What are the molecular formula and molecular weight of Pent-1-ene?

Pent-1-ene has molecular formula C5H10 and molecular weight 70.133 g/mol.

Is Pent-1-ene hazardous?

Pent-1-ene has GHS signal word Danger and hazard statements H224; H304; H315 — Causes skin irritation.

What are the upstream and downstream products of Pent-1-ene?

For Pent-1-ene, Upstream Products: Dichloromethane, Butylmagnesium chloride, Pent-1-yne; Downstream Products: 1-Penten-3-yl acetate, 2,3-DIMETHYLHEPTANE, 1,2-Dibromopentane.

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

Last updated:

How to cite: Jingsj. "Pent-1-ene (CAS 109-67-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1363175-6 (accessed 2026-11-06).

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