Butyl ethyl sulfide

Also known as: n-Butyl ethyl sulfide, Ethyl butyl sulfide, 1-(Ethylsulfanyl)butane, 1-(Ethylthio)butane, 3-Thiaheptane, Butane, 1-(ethylthio)-, Ethyl n-butyl sulfide, Butyl ethyl sulphide

Butyl ethyl sulfide (CAS 638-46-0) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C6H14S and a molecular weight of 118.24000 g/mol. Key properties include a boiling point of 144-145ºC, a density of 0.85 and a flash point of 144-145ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 638-46-0
Jingsj CID: J-1993756-0
Molecular Formula: C₆H₁₄S
Molecular Weight: 118.24000 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	144-145ºC
Density	0.85
Flash Point	144-145ºC
Exact Mass	118.08200
PSA	25.30000
LogP	2.53960
Refractive Index	1.4515

Customs & Trade Information

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Butyl ethyl sulfide?

The CAS number of Butyl ethyl sulfide is 638-46-0.

What are the molecular formula and molecular weight of Butyl ethyl sulfide?

Butyl ethyl sulfide has molecular formula C6H14S and molecular weight 118.24000 g/mol.

What are the upstream and downstream products of Butyl ethyl sulfide?

For Butyl ethyl sulfide, Upstream Products: 1-Bromobutane, Ethanethiol, (Ethylthio)trimethylsilane.

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. "Butyl ethyl sulfide (CAS 638-46-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993756-0 (accessed 2026-11-07).

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