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5-Ethyl-1-methyl-1H-tetrazole

5-乙基-1-甲基-1H-四唑

Also known as: 5-ETHYL-1-METHYLTETRAZOLE, 5-ETHYL-1-METHYL-1H-TETRAZOLE, 1H-Tetrazole, 5-ethyl-1-methyl-, 5-ETHYL-1-METHYL-1,2,3,4-TETRAZOLE, 1-methyl-5-ethyltetrazole, 5-ethyl-1-methyl-1,2,3,4-tetrazole, NSC 138021

5-Ethyl-1-methyl-1H-tetrazole (CAS 90329-50-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H8N4 and a molecular weight of 112.13300 g/mol. It is also known as 5-ETHYL-1-METHYLTETRAZOLE, 5-ETHYL-1-METHYL-1H-TETRAZOLE and 1H-Tetrazole, 5-ethyl-1-methyl-. Key properties include a boiling point of 267.1ºC at 760mmHg, a density of 1.22g/cm3 and a flash point of 115.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90329-50-3
Jingsj CID
J-18907-5
Molecular Formula
C4H8N4
Chinese Name
5-乙基-1-甲基-1H-四唑
Molecular Weight
112.13300 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point267.1ºC at 760mmHg
Density1.22g/cm3
Flash Point115.4ºC

Frequently Asked Questions

What is the CAS number of 5-Ethyl-1-methyl-1H-tetrazole?

The CAS number of 5-Ethyl-1-methyl-1H-tetrazole is 90329-50-3.

What are the molecular formula and molecular weight of 5-Ethyl-1-methyl-1H-tetrazole?

5-Ethyl-1-methyl-1H-tetrazole has molecular formula C4H8N4 and molecular weight 112.13300 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Ethyl-1-methyl-1H-tetrazole (CAS 90329-50-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18907-5 (accessed 2026-10-23).

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