1-ethyl-3-isothiocyanatobenzene

3-乙基异硫氰酸苯酯

Also known as: 3-ethylphenyl isothiocyanate, 1-ethyl-3-isothiocyanato-benzene, Benzene, 1-ethyl-3-isothiocyanato-, m-Ethylphenyl isothiocyanate, MFCD00041084

1-ethyl-3-isothiocyanatobenzene (CAS 19241-20-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9NS and a molecular weight of 163.23900 g/mol. It is also known as 3-ethylphenyl isothiocyanate, 1-ethyl-3-isothiocyanato-benzene and Benzene, 1-ethyl-3-isothiocyanato-. Key properties include a boiling point of 267.2ºC at 760mmHg, a density of 1.01g/cm3 and a flash point of 116.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19241-20-4
Jingsj CID
J-1163471-3
Molecular Formula
C9H9NS
Chinese Name
3-乙基异硫氰酸苯酯
Molecular Weight
163.23900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point267.2ºC at 760mmHg
Density1.01g/cm3
Flash Point116.8ºC

Frequently Asked Questions

What is the CAS number of 1-ethyl-3-isothiocyanatobenzene?

The CAS number of 1-ethyl-3-isothiocyanatobenzene is 19241-20-4.

What are the molecular formula and molecular weight of 1-ethyl-3-isothiocyanatobenzene?

1-ethyl-3-isothiocyanatobenzene has molecular formula C9H9NS and molecular weight 163.23900 g/mol.

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

Last updated:

How to cite: Jingsj. "1-ethyl-3-isothiocyanatobenzene (CAS 19241-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1163471-3 (accessed 2026-10-25).

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