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2-methyl-1,3-benzothiazol-5-amine dihydrochloride

5-氨基-2-甲基苯并噻唑二盐酸盐

Also known as: 5-amino-2-methylbenzothiazole dihydrochloride, 2-methyl-5-aminobenzothiazole dihydrochloride, 2-methylbenzo[d]thiazol-5-amine dihydrochloride, 2-methylbenzothiazol-5-ylamine dihydrochloride, 5-benzothiazolamine, 2-methyl-, dihydrochloride, MFCD00012692

2-methyl-1,3-benzothiazol-5-amine dihydrochloride (CAS 32770-99-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10Cl2N2S and a molecular weight of 237.14900 g/mol. It is also known as 5-amino-2-methylbenzothiazole dihydrochloride, 2-methyl-5-aminobenzothiazole dihydrochloride and 2-methylbenzo[d]thiazol-5-amine dihydrochloride. Key properties include a melting point of 249-250ºC (dec.)(lit.), a boiling point of 325ºC at 760mmHg and a flash point of 150.4ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
32770-99-3
Jingsj CID
J-11143-0
Molecular Formula
C8H10Cl2N2S
Chinese Name
5-氨基-2-甲基苯并噻唑二盐酸盐
Molecular Weight
237.14900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point249-250ºC (dec.)(lit.)
Boiling Point325ºC at 760mmHg
Flash Point150.4ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-methyl-1,3-benzothiazol-5-amine dihydrochloride?

The CAS number of 2-methyl-1,3-benzothiazol-5-amine dihydrochloride is 32770-99-3.

What are the molecular formula and molecular weight of 2-methyl-1,3-benzothiazol-5-amine dihydrochloride?

2-methyl-1,3-benzothiazol-5-amine dihydrochloride has molecular formula C8H10Cl2N2S and molecular weight 237.14900 g/mol.

Is 2-methyl-1,3-benzothiazol-5-amine dihydrochloride hazardous?

2-methyl-1,3-benzothiazol-5-amine dihydrochloride 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-methyl-1,3-benzothiazol-5-amine dihydrochloride (CAS 32770-99-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11143-0 (accessed 2026-10-22).

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