2,2'-Difurfuryl ether

Also known as: Furan, 2,2'-(oxybis(methylene))bis-, Difurfuryl ether, Difuryl ether, 2-(furan-2-ylmethoxymethyl)furan, FEMA 3337, NSC 97234

2,2'-Difurfuryl ether (CAS 4437-22-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C10H10O3 and a molecular weight of 178.18500 g/mol. Key properties include a boiling point of 228.7ºC at 760 mmHg, a density of 1.15g/cm3 and a flash point of 105.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4437-22-3
Jingsj CID: J-29314-9
Molecular Formula: C₁₀H₁₀O₃
Molecular Weight: 178.18500 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	228.7ºC at 760 mmHg
Density	1.15g/cm3
Flash Point	105.7ºC
Exact Mass	178.06300
PSA	35.51000
LogP	2.58940
Refractive Index	1.513

Customs & Trade Information

HS Code	2932190090
Summary	2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2,2'-Difurfuryl ether?

The CAS number of 2,2'-Difurfuryl ether is 4437-22-3.

What are the molecular formula and molecular weight of 2,2'-Difurfuryl ether?

2,2'-Difurfuryl ether has molecular formula C10H10O3 and molecular weight 178.18500 g/mol.

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. "2,2'-Difurfuryl ether (CAS 4437-22-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29314-9 (accessed 2026-11-06).

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