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2-Propyloxirane

Also known as: 1,2-Epoxypentane, 1,2-Pentylene Oxide, Propyloxirane, Propylethylene oxide, 1-Pentene oxide, Pentane, 1,2-epoxy-, Oxirane, 2-propyl-

2-Propyloxirane (CAS 1003-14-1) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C5H10O and a molecular weight of 86.132 g/mol. Key properties include a boiling point of 93.1±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 8.5±21.9 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1003-14-1
Jingsj CID
J-1369127-9
Molecular Formula
C5H10O
Molecular Weight
86.132 g/mol
Category
Ethers
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point93.1±8.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point8.5±21.9 °C
Exact Mass86.073166
PSA12.53000
LogP1.19
Vapor Pressure57.0±0.2 mmHg at 25°C
Refractive Index1.418
Storage Conditions2-8°C

GHS Safety & Compliance

Flammable / Irritant / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H319 — Causes serious eye irritation
  • H351 — Suspected of causing cancer

Customs & Trade Information

HS Code2910900090
Summary2910900090. epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. 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 2-Propyloxirane?

The CAS number of 2-Propyloxirane is 1003-14-1.

What are the molecular formula and molecular weight of 2-Propyloxirane?

2-Propyloxirane has molecular formula C5H10O and molecular weight 86.132 g/mol.

Is 2-Propyloxirane hazardous?

2-Propyloxirane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of 2-Propyloxirane?

For 2-Propyloxirane, Upstream Products: Pent-1-ene, 1-hexene; Downstream Products: 1-Octen-4-ol, Valeraldehyde, 2-Pentanone.

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

Last updated:

How to cite: Jingsj. "2-Propyloxirane (CAS 1003-14-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1369127-9 (accessed 2026-11-07).

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