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(R)-2-(4-fluorophenyl)oxirane

Also known as: (R)-(-)-4-Fluorostyrene oxide, (R)-4-Fluorostyrene oxide, 4-Fluorostyrene oxide, 4-F-styrene oxide, (R)-(4-Fluorphenyl)-oxiran

(R)-2-(4-fluorophenyl)oxirane (CAS 134356-73-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C8H7FO and a molecular weight of 138.13900 g/mol. Key properties include a boiling point of 33ºC 1mm, a density of 1.225g/cm3 and a flash point of 22ºC. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H301 — Toxic 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.
134356-73-3
Jingsj CID
J-13137-5
Molecular Formula
C8H7FO
Molecular Weight
138.13900 g/mol
Category
Ethers
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point33ºC 1mm
Density1.225g/cm3
Flash Point22ºC
Exact Mass138.04800
PSA12.53000
LogP1.89700
Vapor Pressure0.707mmHg at 25°C
Refractive Index1.5078

GHS Safety & Compliance

Flammable / Acute Toxicity / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H301 — Toxic if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H351 — Suspected of causing cancer

Frequently Asked Questions

What is the CAS number of (R)-2-(4-fluorophenyl)oxirane?

The CAS number of (R)-2-(4-fluorophenyl)oxirane is 134356-73-3.

What are the molecular formula and molecular weight of (R)-2-(4-fluorophenyl)oxirane?

(R)-2-(4-fluorophenyl)oxirane has molecular formula C8H7FO and molecular weight 138.13900 g/mol.

Is (R)-2-(4-fluorophenyl)oxirane hazardous?

(R)-2-(4-fluorophenyl)oxirane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H312 — Harmful in contact with skin.

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

Last updated:

How to cite: Jingsj. "(R)-2-(4-fluorophenyl)oxirane (CAS 134356-73-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13137-5 (accessed 2026-11-06).

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