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5-ETHYLSULFADIAZINE

5-乙基磺胺嘧啶

Also known as: 4-Amino-N-(5-ethyl-2-pyrimidinyl)benzenesulfonamide, N1-(5-Ethyl-2-pyrimidinyl)sulfanilamide, Benzenesulfonamide, 4-amino-N-(5-ethyl-2-pyrimidinyl)-, BT 402, 2-Sulfa-5-ethylpyrimidine

5-ETHYLSULFADIAZINE (CAS 3271-01-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H14N4O2S and a molecular weight of 278.33000 g/mol. It is also known as 4-Amino-N-(5-ethyl-2-pyrimidinyl)benzenesulfonamide, N1-(5-Ethyl-2-pyrimidinyl)sulfanilamide and Benzenesulfonamide, 4-amino-N-(5-ethyl-2-pyrimidinyl)-. Key properties include a boiling point of 520.9ºC at 760mmHg, a density of 1.39g/cm3 and a flash point of 268.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3271-01-0
Jingsj CID
J-1521386-6
Molecular Formula
C12H14N4O2S
Chinese Name
5-乙基磺胺嘧啶
Molecular Weight
278.33000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point520.9ºC at 760mmHg
Density1.39g/cm3
Flash Point268.9ºC

Frequently Asked Questions

What is the CAS number of 5-ETHYLSULFADIAZINE?

The CAS number of 5-ETHYLSULFADIAZINE is 3271-01-0.

What are the molecular formula and molecular weight of 5-ETHYLSULFADIAZINE?

5-ETHYLSULFADIAZINE has molecular formula C12H14N4O2S and molecular weight 278.33000 g/mol.

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

Last updated:

How to cite: Jingsj. "5-ETHYLSULFADIAZINE (CAS 3271-01-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521386-6 (accessed 2026-10-25).

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