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(2R)-2-(trifluoromethyl)oxirane

Also known as: (R)-(+)-3,3,3-Trifluoro-1,2-epoxypropane, (R)-(+)-2-trifluoromethyloxirane, (R)-1,1,1-trifluoro-2,3-epoxypropane, (2R)-1,2-Epoxy-3,3,3-trifluoropropane, (R)-(+)-(Trifluoromethyl)oxirane, (2R)-2-(Trifluoromethyl)oxirane (ee), (R)-3,3,3-trifluoropropylene oxide, R-(+)-2-TRIFLUOROMETHYLOXIRANE

(2R)-2-(trifluoromethyl)oxirane (CAS 143142-90-9) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C3H3F3O and a molecular weight of 112.050 g/mol. Key properties include a boiling point of 33.5±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of -21.3±21.8 °C. It is classified under GHS with signal word Danger and hazard statements H224 and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
143142-90-9
Jingsj CID
J-1513396-7
Molecular Formula
C3H3F3O
Molecular Weight
112.050 g/mol
Category
Ethers
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point33.5±35.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point-21.3±21.8 °C
Exact Mass112.013596
PSA12.53000
LogP0.62
Vapor Pressure560.0±0.1 mmHg at 25°C
Refractive Index1.326

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H224
  • H319 — Causes serious eye irritation

Frequently Asked Questions

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

The CAS number of (2R)-2-(trifluoromethyl)oxirane is 143142-90-9.

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

(2R)-2-(trifluoromethyl)oxirane has molecular formula C3H3F3O and molecular weight 112.050 g/mol.

Is (2R)-2-(trifluoromethyl)oxirane hazardous?

(2R)-2-(trifluoromethyl)oxirane has GHS signal word Danger and hazard statements H224; H319 — Causes serious eye irritation.

What are the upstream and downstream products of (2R)-2-(trifluoromethyl)oxirane?

For (2R)-2-(trifluoromethyl)oxirane, Upstream Products: 3-Bromo-1,1,1-trifluoroacetone, 2-(Trifluoromethyl)oxirane.

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

Last updated:

How to cite: Jingsj. "(2R)-2-(trifluoromethyl)oxirane (CAS 143142-90-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1513396-7 (accessed 2026-11-09).

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