sec-Butyl isothiocyanate

异硫氰酸仲丁酯

Also known as: 2-Butyl isothiocyanate, 2-Isothiocyanatobutane, sec-Butyl isothiocyanate, Isothiocyanic acid sec-butyl ester, Butane, 2-isothiocyanato-, EINECS 224-609-8, MFCD00041108

sec-Butyl isothiocyanate (CAS 4426-79-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9NS and a molecular weight of 115.19700 g/mol. It is also known as 2-Butyl isothiocyanate, 2-Isothiocyanatobutane and Isothiocyanic acid sec-butyl ester. Key properties include a boiling point of 58 °C, a density of 0.93 and a flash point of 44.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4426-79-3
Jingsj CID
J-44762-3
Molecular Formula
C5H9NS
Chinese Name
异硫氰酸仲丁酯
Molecular Weight
115.19700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point58 °C
Density0.93
Flash Point44.2ºC

Frequently Asked Questions

What is the CAS number of sec-Butyl isothiocyanate?

The CAS number of sec-Butyl isothiocyanate is 4426-79-3.

What are the molecular formula and molecular weight of sec-Butyl isothiocyanate?

sec-Butyl isothiocyanate has molecular formula C5H9NS and molecular weight 115.19700 g/mol.

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

Last updated:

How to cite: Jingsj. "sec-Butyl isothiocyanate (CAS 4426-79-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44762-3 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.