sec-butyl ethyl ether

Also known as: 2-ethoxybutane, Ethyl sec-butyl ether, Butane, 2-ethoxy-, sec-C4H9OC2H5, FEMA No. 3131, EINECS 220-234-9, 2-Ethoxy-butane, ethyl sec-butyl ether, ethylsec-butylether

sec-butyl ethyl ether (CAS 2679-87-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H14O and a molecular weight of 102.17500 g/mol. Key properties include a boiling point of 83.8ºC at 760mmHg and a density of 0.76g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2679-87-0
Jingsj CID: J-21342-3
Molecular Formula: C₆H₁₄O
Molecular Weight: 102.17500 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	83.8ºC at 760mmHg
Density	0.76g/cm3
Exact Mass	102.10400
PSA	9.23000
LogP	1.82140
Vapor Pressure	82.9mmHg at 25°C
Refractive Index	1.386

Customs & Trade Information

HS Code	2909199090
Summary	2909199090. other acyclic ethers 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 sec-butyl ethyl ether?

The CAS number of sec-butyl ethyl ether is 2679-87-0.

What are the molecular formula and molecular weight of sec-butyl ethyl ether?

sec-butyl ethyl ether has molecular formula C6H14O and molecular weight 102.17500 g/mol.

What are the upstream and downstream products of sec-butyl ethyl ether?

For sec-butyl ethyl ether, Upstream Products: Ethanol, 2-butene, sec-Butyl acetate; Downstream Products: Ethyl benzoate, 2-Chlorobutane, Ethyl acetate.

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. "sec-butyl ethyl ether (CAS 2679-87-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21342-3 (accessed 2026-11-09).

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