1,3-Benzothiazol-4-ol

4-苯并噻唑醇

Also known as: 4-Hydroxybenzothiazole, 4-Benzothiazolol, Benzo[d]thiazol-4-ol, Benzothiazol-4-ol, 4-Hydroxy-benzothiazol, NSC 403244

1,3-Benzothiazol-4-ol (CAS 7405-23-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5NOS and a molecular weight of 151.186 g/mol. It is also known as 4-Hydroxybenzothiazole, 4-Benzothiazolol and Benzo[d]thiazol-4-ol. Key properties include a melting point of 143ºC, a boiling point of 311.6±15.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 142.3±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7405-23-4
Jingsj CID
J-1013183-7
Molecular Formula
C7H5NOS
Chinese Name
4-苯并噻唑醇
Molecular Weight
151.186 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point143ºC
Boiling Point311.6±15.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point142.3±20.4 °C

Frequently Asked Questions

What is the CAS number of 1,3-Benzothiazol-4-ol?

The CAS number of 1,3-Benzothiazol-4-ol is 7405-23-4.

What are the molecular formula and molecular weight of 1,3-Benzothiazol-4-ol?

1,3-Benzothiazol-4-ol has molecular formula C7H5NOS and molecular weight 151.186 g/mol.

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

Last updated:

How to cite: Jingsj. "1,3-Benzothiazol-4-ol (CAS 7405-23-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1013183-7 (accessed 2026-10-22).

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