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(S)-2-Vinyloxirane

Also known as: (2S)-2-ethenyloxirane, Oxirane, ethenyl-, (2S)-, [S,(+)]-Ethenyloxirane, (S)-2-Vinyloxirane

(S)-2-Vinyloxirane (CAS 62249-80-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C4H6O and a molecular weight of 70.08980 g/mol. Key properties include a boiling point of 66ºC(lit.), a density of 0.870 g/mL at 20ºC(lit.) and a flash point of -50ºC. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
62249-80-3
Jingsj CID
J-1492882-6
Molecular Formula
C4H6O
Molecular Weight
70.08980 g/mol
Category
Ethers
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point66ºC(lit.)
Density0.870 g/mL at 20ºC(lit.)
Flash Point-50ºC
Exact Mass70.04190
PSA12.53000
LogP0.57120
Refractive Indexn20/D 1.417

GHS Safety & Compliance

FlammableSignal word: Danger
  • H225 — Highly flammable liquid and vapour

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 (S)-2-Vinyloxirane?

The CAS number of (S)-2-Vinyloxirane is 62249-80-3.

What are the molecular formula and molecular weight of (S)-2-Vinyloxirane?

(S)-2-Vinyloxirane has molecular formula C4H6O and molecular weight 70.08980 g/mol.

Is (S)-2-Vinyloxirane hazardous?

(S)-2-Vinyloxirane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour.

What are the upstream and downstream products of (S)-2-Vinyloxirane?

For (S)-2-Vinyloxirane, Upstream Products: 2-Vinyloxirane, [(2S)-2-Hydroxybut-3-enyl] 4-methylbenzenesulfonate, butadiene; Downstream Products: trans-2-Butene-1,4-diol, (S)-3-Butene-1,2-diol, (R)-3-Butene-1,2-diol.

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

Last updated:

How to cite: Jingsj. "(S)-2-Vinyloxirane (CAS 62249-80-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492882-6 (accessed 2026-11-09).

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