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(1S,2S)-(-)-1-Phenylpropylene oxide

Also known as: (1S,2S)-(-)-1-Phenylpropylene oxide, (1S,2S)-(-)-trans-2-methyl-3-phenyloxirane, (2S,3S)-(-)-2-Methyl-3-phenyloxirane, (1S,2S)-trans-1-phenyl-1,2-epoxypropane, trans-(-)-2-Methyl-3-phenyloxirane, (2S,3S)-2-Methyl-3-phenyloxirane, Oxirane, 2-methyl-3-phenyl-, (2S,3S)-, trans-2-methylstyrene oxide, MFCD00010400

(1S,2S)-(-)-1-Phenylpropylene oxide (CAS 4518-66-5) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C9H10O and a molecular weight of 134.17500 g/mol. Key properties include a boiling point of 202.5ºC at 760 mmHg, a density of 1.003 g/mL at 25ºC(lit.) and a flash point of 68.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
4518-66-5
Jingsj CID
J-10962-6
Molecular Formula
C9H10O
Molecular Weight
134.17500 g/mol
Category
Ethers
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point202.5ºC at 760 mmHg
Density1.003 g/mL at 25ºC(lit.)
Flash Point68.9 °C
Exact Mass134.07300
PSA12.53000
LogP2.14640
Refractive Indexn20/D 1.517(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

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 (1S,2S)-(-)-1-Phenylpropylene oxide?

The CAS number of (1S,2S)-(-)-1-Phenylpropylene oxide is 4518-66-5.

What are the molecular formula and molecular weight of (1S,2S)-(-)-1-Phenylpropylene oxide?

(1S,2S)-(-)-1-Phenylpropylene oxide has molecular formula C9H10O and molecular weight 134.17500 g/mol.

Is (1S,2S)-(-)-1-Phenylpropylene oxide hazardous?

(1S,2S)-(-)-1-Phenylpropylene oxide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of (1S,2S)-(-)-1-Phenylpropylene oxide?

For (1S,2S)-(-)-1-Phenylpropylene oxide, Upstream Products: Benzene,(1E)-1-propen-1-yl-, β-Methylstyrene, phenylpropene; Downstream Products: (R)-1-Phenyl-2-propanol, (S)-1-Phenyl-2-propanol.

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

Last updated:

How to cite: Jingsj. "(1S,2S)-(-)-1-Phenylpropylene oxide (CAS 4518-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10962-6 (accessed 2026-11-09).

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