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Clotiapine

Also known as: Clothiapine, 2-Chloro-11-(4-methyl-1-piperazinyl)dibenzo[b,f][1,4]thiazepine, 2-Chloro-11-(4-methylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine, 8-chloro-6-(4-methylpiperazin-1-yl)benzo[b][1,4]benzothiazepine, Dibenzo[b,f][1,4]thiazepine, 2-chloro-11-(4-methyl-1-piperazinyl)-, Entumin, Etumine, HF 2159, LW 2159, S 805C, Clotiapine (JAN), EINECS 218-162-8

Clotiapine (CAS 2058-52-8) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H18ClN3S and a molecular weight of 343.874 g/mol. Key properties include a melting point of 121-123℃, a boiling point of 483.8±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 246.4±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2058-52-8
Jingsj CID
J-1955817-9
Molecular Formula
C18H18ClN3S
Molecular Weight
343.874 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point121-123℃
Boiling Point483.8±55.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point246.4±31.5 °C
Exact Mass343.091003
PSA44.14000
LogP3.13
Vapor Pressure0.0±1.2 mmHg at 25°C
Refractive Index1.691

Activity & Biological Data

Additional Information[1]. Toren P, et al. Case study: emergence of transient compulsive symptoms during treatment with clothiapine. J Am Acad Child Adolesc Psychiatry. 1995;34(11):1469-1472.

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. 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 Clotiapine?

The CAS number of Clotiapine is 2058-52-8.

What are the molecular formula and molecular weight of Clotiapine?

Clotiapine has molecular formula C18H18ClN3S and molecular weight 343.874 g/mol.

What are the upstream and downstream products of Clotiapine?

For Clotiapine, Upstream Products: 2-(4-Chlorophenoxy)aniline, 1-Methylpiperazine, 2-[(4-Chlorophenyl)thio]aniline.

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

Last updated:

How to cite: Jingsj. "Clotiapine (CAS 2058-52-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955817-9 (accessed 2026-11-09).

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