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Thioxanthen-9-one

Also known as: Thiaxanthone, 9-Oxothioxanthene, 9H-Thioxanthen-9-one, Thioxanthone, Thioxanthen-9-one, Thioxanthene-9-one, 9-Oxothioxanthene, Thioxanthen-9-one, 9H-Thioxanthene, 9-oxo-, Thioxanthenone, Thiaxanthenone, Thiaxanthon

Thioxanthen-9-one (CAS 492-22-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H8OS and a molecular weight of 212.267 g/mol. Key properties include a melting point of 210-213 °C(lit.), a boiling point of 375.1±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 203.8±5.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
492-22-8
Jingsj CID
J-1011881-7
Molecular Formula
C13H8OS
Molecular Weight
212.267 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point210-213 °C(lit.)
Boiling Point375.1±0.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point203.8±5.3 °C
Exact Mass212.029587
PSA45.31000
LogP3.99
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.692
Additional Propertypractically insoluble

Customs & Trade Information

HS Code2932999099
Summary2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Thioxanthen-9-one?

The CAS number of Thioxanthen-9-one is 492-22-8.

What are the molecular formula and molecular weight of Thioxanthen-9-one?

Thioxanthen-9-one has molecular formula C13H8OS and molecular weight 212.267 g/mol.

What are the upstream and downstream products of Thioxanthen-9-one?

For Thioxanthen-9-one, Upstream Products: thioxanthene, Thiosalicylic acid, 9H-Thioxanthen-9-ol; Downstream Products: Prothixene.

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

Last updated:

How to cite: Jingsj. "Thioxanthen-9-one (CAS 492-22-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1011881-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.