5-(4-Hydroxyphenyl)-3H-1,2-dithiole-3-thione

5-(4-羟基苯基)-3H-1,2-二硫杂环戊烯-3-硫酮

Also known as: Desmethylanethol trithione, 3H-1,2-Dithiole-3-thione, 5-(4-hydroxyphenyl)-, 4-(5-sulfanyldithiol-3-ylidene)cyclohexa-2,5-dien-1-one, 4-Hydroxyanethole trithione, ACS 1, Anethole Trithione impurity 2, Anethole impurity 2, Desmethyl-adt, desmethyl anethole trithione

5-(4-Hydroxyphenyl)-3H-1,2-dithiole-3-thione (CAS 18274-81-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H6OS3 and a molecular weight of 226.33800 g/mol. It is also known as Desmethylanethol trithione, 3H-1,2-Dithiole-3-thione, 5-(4-hydroxyphenyl)- and 4-(5-sulfanyldithiol-3-ylidene)cyclohexa-2,5-dien-1-one. Key properties include a melting point of 191-192 ºC, a boiling point of 322.2ºC at 760mmHg, a density of 1.48g/cm3 and a flash point of 148.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18274-81-2
Jingsj CID
J-1962592-4
Molecular Formula
C9H6OS3
Chinese Name
5-(4-羟基苯基)-3H-1,2-二硫杂环戊烯-3-硫酮
Molecular Weight
226.33800 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point191-192 ºC
Boiling Point322.2ºC at 760mmHg
Density1.48g/cm3
Flash Point148.6ºC

Frequently Asked Questions

What is the CAS number of 5-(4-Hydroxyphenyl)-3H-1,2-dithiole-3-thione?

The CAS number of 5-(4-Hydroxyphenyl)-3H-1,2-dithiole-3-thione is 18274-81-2.

What are the molecular formula and molecular weight of 5-(4-Hydroxyphenyl)-3H-1,2-dithiole-3-thione?

5-(4-Hydroxyphenyl)-3H-1,2-dithiole-3-thione has molecular formula C9H6OS3 and molecular weight 226.33800 g/mol.

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

Last updated:

How to cite: Jingsj. "5-(4-Hydroxyphenyl)-3H-1,2-dithiole-3-thione (CAS 18274-81-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962592-4 (accessed 2026-10-22).

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