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2-Amino-4,5-dimethylthiazole hydrochloride

2-氨基-4,5-二甲基噻唑盐酸盐

Also known as: 2-AMINO-4,5-DIMETHYLTHIAZOLE HYDROCHLORIDE, 4,5-DIMETHYLTHIAZOL-2-AMINE HYDROCHLORIDE, 4,5-DIMETHYLTHIAZOL-2-YLAMINE HYDROCHLORIDE, 2-THIAZOLAMINE,4,5-DIMETHYL-,MONOHYDROCHLORIDE, THIAZOLE,2-AMINO-4,5-DIMETHYL-,HYDROCHLORIDE

2-Amino-4,5-dimethylthiazole hydrochloride (CAS 71574-33-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H9ClN2S and a molecular weight of 164.65600 g/mol. It is also known as 2-AMINO-4,5-DIMETHYLTHIAZOLE HYDROCHLORIDE, 4,5-DIMETHYLTHIAZOL-2-AMINE HYDROCHLORIDE and 4,5-DIMETHYLTHIAZOL-2-YLAMINE HYDROCHLORIDE. Key properties include a melting point of 273-274 °C (dec.)(lit.), a boiling point of 288.3ºC at 760 mmHg and a flash point of 128.2ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71574-33-9
Jingsj CID
J-4660-6
Molecular Formula
C5H9ClN2S
Chinese Name
2-氨基-4,5-二甲基噻唑盐酸盐
Molecular Weight
164.65600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point273-274 °C (dec.)(lit.)
Boiling Point288.3ºC at 760 mmHg
Flash Point128.2ºC

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Amino-4,5-dimethylthiazole hydrochloride?

The CAS number of 2-Amino-4,5-dimethylthiazole hydrochloride is 71574-33-9.

What are the molecular formula and molecular weight of 2-Amino-4,5-dimethylthiazole hydrochloride?

2-Amino-4,5-dimethylthiazole hydrochloride has molecular formula C5H9ClN2S and molecular weight 164.65600 g/mol.

Is 2-Amino-4,5-dimethylthiazole hydrochloride hazardous?

2-Amino-4,5-dimethylthiazole hydrochloride has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "2-Amino-4,5-dimethylthiazole hydrochloride (CAS 71574-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4660-6 (accessed 2026-10-24).

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