1-[(4-chlorophenyl)thio]propan-2-one

(4-氯苯基硫)丙-2-酮

Also known as: (4-chlorophenylthio)acetone, (4-chlorophenylthio)propan-2-one, 1-(4-chlorophenylthio)propan-2-one, 1-[(4-chlorophenyl)thio]-2-propanone, 1-(4-chlorophenyl)sulfanylpropan-2-one, alpha-(p-chlorophenylthio)acetone

1-[(4-chlorophenyl)thio]propan-2-one (CAS 25784-83-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H9ClOS and a molecular weight of 200.68500 g/mol. It is also known as (4-chlorophenylthio)acetone, (4-chlorophenylthio)propan-2-one and 1-(4-chlorophenylthio)propan-2-one. Key properties include a melting point of 38-42 °C(lit.), a boiling point of 287.4ºC at 760 mmHg, a density of 1.24 g/cm3 and a flash point of >230 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25784-83-2
Jingsj CID
J-1526744-9
Molecular Formula
C9H9ClOS
Chinese Name
(4-氯苯基硫)丙-2-酮
Molecular Weight
200.68500 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point38-42 °C(lit.)
Boiling Point287.4ºC at 760 mmHg
Density1.24 g/cm3
Flash Point>230 °F

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 1-[(4-chlorophenyl)thio]propan-2-one?

The CAS number of 1-[(4-chlorophenyl)thio]propan-2-one is 25784-83-2.

What are the molecular formula and molecular weight of 1-[(4-chlorophenyl)thio]propan-2-one?

1-[(4-chlorophenyl)thio]propan-2-one has molecular formula C9H9ClOS and molecular weight 200.68500 g/mol.

Is 1-[(4-chlorophenyl)thio]propan-2-one hazardous?

1-[(4-chlorophenyl)thio]propan-2-one has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "1-[(4-chlorophenyl)thio]propan-2-one (CAS 25784-83-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526744-9 (accessed 2026-10-24).

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