2-(Thiocyanatomethylthio)benzothiazole

Also known as: TCMTB, Busan, Benthiazole, Alentisan, Ichiban, Superdavloxan, Sancelant TMB, Delsan 30, Tolcide 2230, Thiocyanic acid, (2-benzothiazolylthio)methyl ester, (2-benzothiazolylthio)methyl thiocyanate, 2-(Thiocyanomethylthio)benzothiazole, 2-(Thiocyanatomethylmercapto)-benzothiazole, 2-(thiocyanatomethylthio)-1,3-benzothiazole, 2-thiocyanatomethylsulfanyl-benzothiazole, (1,3-Benzothiazol-2-ylsulfanyl)methyl thiocyanate, 1,3-benzothiazol-2-ylsulfanylmethyl thiocyanate, Busan 15, Busan 71, Busan 72A

2-(Thiocyanatomethylthio)benzothiazole (CAS 21564-17-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H6N2S3 and a molecular weight of 238.352 g/mol. Key properties include a boiling point of 405.6±47.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 199.1±29.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21564-17-0
Jingsj CID: J-42308-7
Molecular Formula: C₉H₆N₂S₃
Molecular Weight: 238.352 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	405.6±47.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	199.1±29.3 °C
Exact Mass	237.969315
PSA	115.52000
LogP	3.12
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.743

Frequently Asked Questions

What is the CAS number of 2-(Thiocyanatomethylthio)benzothiazole?

The CAS number of 2-(Thiocyanatomethylthio)benzothiazole is 21564-17-0.

What are the molecular formula and molecular weight of 2-(Thiocyanatomethylthio)benzothiazole?

2-(Thiocyanatomethylthio)benzothiazole has molecular formula C9H6N2S3 and molecular weight 238.352 g/mol.

What are the upstream and downstream products of 2-(Thiocyanatomethylthio)benzothiazole?

For 2-(Thiocyanatomethylthio)benzothiazole, Upstream Products: Sodium thiocyanate, 2-Mercaptobenzothiazole, 2-(Methylthio)benzothiazole.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-(Thiocyanatomethylthio)benzothiazole (CAS 21564-17-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42308-7 (accessed 2026-11-06).

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