1,4-Epoxy-1,4-dihydronaphthalene

Also known as: 1,4-Dihydro-1,4-epoxynaphthalene, 1,4-Dihydronaphthalene-1,4-endo-oxide, 1,4-Dihydronaphthalene-1,4-oxide, 1,4-Dihydronaphthalene-1,4-epoxide, 7-Oxabenzonorbornadiene, Benzooxanorbornadiene, NSC 101863, 11-Oxatricyclo[6.2.1.02,7]undeca-2,4,6,9-tetraene, 1,3-Etheno-1,3-dihydroisobenzofuran, MFCD00167584

1,4-Epoxy-1,4-dihydronaphthalene (CAS 573-57-9) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C10H8O and a molecular weight of 144.17000 g/mol. Key properties include a melting point of 54-56ºC, a boiling point of 240.5ºC at 760 mmHg, a density of 1.207 g/cm3 and a flash point of 93ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 573-57-9
Jingsj CID: J-37608-4
Molecular Formula: C₁₀H₈O
Molecular Weight: 144.17000 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	54-56ºC
Boiling Point	240.5ºC at 760 mmHg
Density	1.207 g/cm3
Flash Point	93ºC
Exact Mass	144.05800
PSA	9.23000
LogP	2.36880
Refractive Index	1.626

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 1,4-Epoxy-1,4-dihydronaphthalene?

The CAS number of 1,4-Epoxy-1,4-dihydronaphthalene is 573-57-9.

What are the molecular formula and molecular weight of 1,4-Epoxy-1,4-dihydronaphthalene?

1,4-Epoxy-1,4-dihydronaphthalene has molecular formula C10H8O and molecular weight 144.17000 g/mol.

What are the upstream and downstream products of 1,4-Epoxy-1,4-dihydronaphthalene?

For 1,4-Epoxy-1,4-dihydronaphthalene, Upstream Products: Furan, 1-Bromo-2-iodobenzene, 1,2-Dibromobenzene; Downstream Products: 2-Phenylanthracene, Naphthalene, 2-phenyl-, 1-Naphthol.

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. "1,4-Epoxy-1,4-dihydronaphthalene (CAS 573-57-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37608-4 (accessed 2026-11-07).

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