2-[(3,4-dichlorophenoxy)methyl]oxirane

Also known as: 2-[(3,4-dichlorophenoxy)methyl]oxirane, 3-(3,4-dichlorophenoxy)-1,2-epoxypropane, 1-(3,4-dichlorophenoxy)-2,3-epoxypropane, (2S)-3-(3,4-dichlorophenoxy)-1,2-epoxypropane, 2-(3,4-dichloro-phenoxymethyl)-oxirane, oxirane, 2-[(3,4-dichlorophenoxy)methyl]-, 3-(3,4-dichlorophenoxy)-1,2-propenoxide, OR0431

2-[(3,4-dichlorophenoxy)methyl]oxirane (CAS 21320-30-9) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C9H8Cl2O2 and a molecular weight of 219.06500 g/mol. Key properties include a boiling point of 310.7ºC at 760 mmHg, a density of 1.389g/cm3 and a flash point of 127.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21320-30-9
Jingsj CID: J-1481066-6
Molecular Formula: C₉H₈Cl₂O₂
Molecular Weight: 219.06500 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	310.7ºC at 760 mmHg
Density	1.389g/cm3
Flash Point	127.1ºC
Exact Mass	217.99000
PSA	21.76000
LogP	2.77100
Vapor Pressure	0.00108mmHg at 25°C
Refractive Index	1.567

Customs & Trade Information

HS Code	2910900090
Summary	2910900090. 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-[(3,4-dichlorophenoxy)methyl]oxirane?

The CAS number of 2-[(3,4-dichlorophenoxy)methyl]oxirane is 21320-30-9.

What are the molecular formula and molecular weight of 2-[(3,4-dichlorophenoxy)methyl]oxirane?

2-[(3,4-dichlorophenoxy)methyl]oxirane has molecular formula C9H8Cl2O2 and molecular weight 219.06500 g/mol.

What are the upstream and downstream products of 2-[(3,4-dichlorophenoxy)methyl]oxirane?

For 2-[(3,4-dichlorophenoxy)methyl]oxirane, Upstream Products: 3,4-Dichlorophenol, Epichlorohydrin.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-[(3,4-dichlorophenoxy)methyl]oxirane (CAS 21320-30-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1481066-6 (accessed 2026-11-06).

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