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2-Methyl-2-phenyloxirane

Also known as: 2-Phenylpropylene oxide, 1,2-Epoxy-2-phenylpropane, 2-Phenylpropene oxide, α-Methylstyrene oxide, Cumene, α,β-epoxy-, Oxirane, 2-methyl-2-phenyl-, phenylpropyleneoxide, racemic 2-phenylpropylene oxide

2-Methyl-2-phenyloxirane (CAS 2085-88-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C9H10O and a molecular weight of 134.175 g/mol. Key properties include a boiling point of 195.6±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 66.3±14.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2085-88-3
Jingsj CID
J-15924-1
Molecular Formula
C9H10O
Molecular Weight
134.175 g/mol
Category
Ethers
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point195.6±9.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point66.3±14.9 °C
Exact Mass134.073166
PSA12.53000
LogP1.74
Vapor Pressure0.6±0.4 mmHg at 25°C
Refractive Index1.541

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-Methyl-2-phenyloxirane?

The CAS number of 2-Methyl-2-phenyloxirane is 2085-88-3.

What are the molecular formula and molecular weight of 2-Methyl-2-phenyloxirane?

2-Methyl-2-phenyloxirane has molecular formula C9H10O and molecular weight 134.175 g/mol.

What are the upstream and downstream products of 2-Methyl-2-phenyloxirane?

For 2-Methyl-2-phenyloxirane, Upstream Products: α-methylstyrene, Trimethylsulfoxonium iodide, Acetophenone; Downstream Products: 2-Phenyl-4-penten-2-ol, 2-Phenylpropionaldehyde dimethyl acetal, 2-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. "2-Methyl-2-phenyloxirane (CAS 2085-88-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15924-1 (accessed 2026-11-06).

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