2-(2-Benzothiazolylthio)ethanol

2-(2-苯并噻唑基硫代)乙醇

Also known as: 2-(2-Hydroxyethylthio)benzothiazole, 2-(2-Hydroxyethylmercapto)benzothiazole, 2-(Benzothiazole-2-ylthio)ethanol, 2-Benzothiazol-2-ylmercapto-ethanol, HMBT, MFCD00463760, 2-(1,3-benzothiazol-2-ylsulfanyl)ethanol

2-(2-Benzothiazolylthio)ethanol (CAS 4665-63-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9NOS2 and a molecular weight of 211.30400 g/mol. It is also known as 2-(2-Hydroxyethylthio)benzothiazole, 2-(2-Hydroxyethylmercapto)benzothiazole and 2-(Benzothiazole-2-ylthio)ethanol. Key properties include a melting point of 50-55ºC(lit.), a boiling point of 378.4ºC at 760mmHg, a density of 1.39g/cm3 and a flash point of 182.7ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4665-63-8
Jingsj CID
J-17937-7
Molecular Formula
C9H9NOS2
Chinese Name
2-(2-苯并噻唑基硫代)乙醇
Molecular Weight
211.30400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point50-55ºC(lit.)
Boiling Point378.4ºC at 760mmHg
Density1.39g/cm3
Flash Point182.7ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-(2-Benzothiazolylthio)ethanol?

The CAS number of 2-(2-Benzothiazolylthio)ethanol is 4665-63-8.

What are the molecular formula and molecular weight of 2-(2-Benzothiazolylthio)ethanol?

2-(2-Benzothiazolylthio)ethanol has molecular formula C9H9NOS2 and molecular weight 211.30400 g/mol.

Is 2-(2-Benzothiazolylthio)ethanol hazardous?

2-(2-Benzothiazolylthio)ethanol has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-(2-Benzothiazolylthio)ethanol (CAS 4665-63-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17937-7 (accessed 2026-10-25).

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