2,5-Diaminothiophene-3,4-dicarbonitrile

2,5-二氨基-3,4-噻吩二甲腈

Also known as: 2,5-Diamino-3,4-thiophenedicarbonitrile, 2,5-Diamino-3,4-dicyanothiophene, 2,5-Diaminothiophene-3,4-dicarbonitrile, 3,4-Thiophenedicarbonitrile,2,5-diamino-, NSC 409127

2,5-Diaminothiophene-3,4-dicarbonitrile (CAS 17989-89-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4N4S and a molecular weight of 164.18800 g/mol. It is also known as 2,5-Diamino-3,4-thiophenedicarbonitrile, 2,5-Diamino-3,4-dicyanothiophene and 3,4-Thiophenedicarbonitrile,2,5-diamino-. Key properties include a boiling point of 558.3ºC at 760mmHg, a density of 1.53g/cm3 and a flash point of 291.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17989-89-8
Jingsj CID
J-1372730-3
Molecular Formula
C6H4N4S
Chinese Name
2,5-二氨基-3,4-噻吩二甲腈
Molecular Weight
164.18800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point558.3ºC at 760mmHg
Density1.53g/cm3
Flash Point291.5ºC

Frequently Asked Questions

What is the CAS number of 2,5-Diaminothiophene-3,4-dicarbonitrile?

The CAS number of 2,5-Diaminothiophene-3,4-dicarbonitrile is 17989-89-8.

What are the molecular formula and molecular weight of 2,5-Diaminothiophene-3,4-dicarbonitrile?

2,5-Diaminothiophene-3,4-dicarbonitrile has molecular formula C6H4N4S and molecular weight 164.18800 g/mol.

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

Last updated:

How to cite: Jingsj. "2,5-Diaminothiophene-3,4-dicarbonitrile (CAS 17989-89-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1372730-3 (accessed 2026-10-25).

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