4,5-Dichloro-3H-1,2-dithiol-3-one

二氯-1,2-二硫环戊烯酮

Also known as: Dichloro-1,2-dithiacyclopentenone, 4,5-Dichloro-1,2-dithiacyclopentenone, 4,5-dichlorodithiol-3-one, 3H-1,2-Dithiol-3-one, 4,5-dichloro-, DDCP, EINECS 214-754-5, MFCD00043025

4,5-Dichloro-3H-1,2-dithiol-3-one (CAS 1192-52-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C3Cl2OS2 and a molecular weight of 187.068 g/mol. It is also known as Dichloro-1,2-dithiacyclopentenone, 4,5-Dichloro-1,2-dithiacyclopentenone and 4,5-dichlorodithiol-3-one. Key properties include a melting point of 58 - 59ºC, a boiling point of 238.1±50.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 97.8±30.1 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1192-52-5
Jingsj CID: J-39604-2
Molecular Formula: C₃Cl₂OS₂
Chinese Name: 二氯-1,2-二硫环戊烯酮
Molecular Weight: 187.068 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	58 - 59ºC
Boiling Point	238.1±50.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	97.8±30.1 °C

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4,5-Dichloro-3H-1,2-dithiol-3-one?

The CAS number of 4,5-Dichloro-3H-1,2-dithiol-3-one is 1192-52-5.

What are the molecular formula and molecular weight of 4,5-Dichloro-3H-1,2-dithiol-3-one?

4,5-Dichloro-3H-1,2-dithiol-3-one has molecular formula C3Cl2OS2 and molecular weight 187.068 g/mol.

Is 4,5-Dichloro-3H-1,2-dithiol-3-one hazardous?

4,5-Dichloro-3H-1,2-dithiol-3-one has GHS signal word Danger.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4,5-Dichloro-3H-1,2-dithiol-3-one (CAS 1192-52-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39604-2 (accessed 2026-10-23).

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