2-Amino-4-(p-tolyl)thiazole

2-氨基-4-(对甲苯基)噻唑

Also known as: 2-Amino-4-(4-methylphenyl)thiazole, 2-Amino-4-(p-tolyl)thiazole, 2-amino-4(4'-methylphenyl)-thiazole, 2-amino-4-(p-tolyl)-thiazole, 2-amino-4-p-methylphenylthiazole, 4-(4-methylphenyl)-1,3-thiazol-2-amine, 4-(4-methylphenyl)-2-thiazolamine, 4-(p-Tolyl)-2-thiazolamine, 4-P-TOLYL-THIAZOL-2-YLAMINE, 4-P-TOLYLTHIAZOL-2-AMINE, 2-Thiazolamine,4-(4-methylphenyl)-, NSC 54436, MFCD00170264

2-Amino-4-(p-tolyl)thiazole (CAS 2103-91-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H10N2S and a molecular weight of 190.26500 g/mol. It is also known as 2-Amino-4-(4-methylphenyl)thiazole, 2-amino-4(4'-methylphenyl)-thiazole and 2-amino-4-(p-tolyl)-thiazole. Key properties include a melting point of 132-136 °C(lit.), a boiling point of 369.4ºC at 760mmHg, a density of 1.219g/cm3 and a flash point of 177.2ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2103-91-5
Jingsj CID
J-32226-5
Molecular Formula
C10H10N2S
Chinese Name
2-氨基-4-(对甲苯基)噻唑
Molecular Weight
190.26500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point132-136 °C(lit.)
Boiling Point369.4ºC at 760mmHg
Density1.219g/cm3
Flash Point177.2ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Amino-4-(p-tolyl)thiazole?

The CAS number of 2-Amino-4-(p-tolyl)thiazole is 2103-91-5.

What are the molecular formula and molecular weight of 2-Amino-4-(p-tolyl)thiazole?

2-Amino-4-(p-tolyl)thiazole has molecular formula C10H10N2S and molecular weight 190.26500 g/mol.

Is 2-Amino-4-(p-tolyl)thiazole hazardous?

2-Amino-4-(p-tolyl)thiazole 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-Amino-4-(p-tolyl)thiazole (CAS 2103-91-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32226-5 (accessed 2026-10-23).

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