3,4-Bis(1-methylhydrazino)cyclobut-3-ene-1,2-dione

3,4-双(1-甲基肼基)-3-环丁烯-1,2-二酮

Also known as: 3,4-Di(1-methylhydrazino)cyclobut-3-ene-1,2-dione, 3,4-bis-(N-methyl-hydrazino)-cyclobutenedione, 3,4-bis[amino(methyl)amino]cyclobut-3-ene-1,2-dione, 3-cyclobutene-1,2-dione, 3,4-bis(1-methylhydrazinyl)-, OR3361, squaric acid bis-(N-methyl-hydrazide), quadratyl 1,2-bis[a-methylhydrazide]

3,4-Bis(1-methylhydrazino)cyclobut-3-ene-1,2-dione (CAS 50376-99-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H10N4O2 and a molecular weight of 170.16900 g/mol. It is also known as 3,4-Di(1-methylhydrazino)cyclobut-3-ene-1,2-dione, 3,4-bis-(N-methyl-hydrazino)-cyclobutenedione and 3,4-bis[amino(methyl)amino]cyclobut-3-ene-1,2-dione. Key properties include a melting point of 201-202ºC, a boiling point of 287.3ºC at 760 mmHg, a density of 1.44g/cm3 and a flash point of 127.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
50376-99-3
Jingsj CID
J-1498064-2
Molecular Formula
C6H10N4O2
Chinese Name
3,4-双(1-甲基肼基)-3-环丁烯-1,2-二酮
Molecular Weight
170.16900 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point201-202ºC
Boiling Point287.3ºC at 760 mmHg
Density1.44g/cm3
Flash Point127.6ºC

Frequently Asked Questions

What is the CAS number of 3,4-Bis(1-methylhydrazino)cyclobut-3-ene-1,2-dione?

The CAS number of 3,4-Bis(1-methylhydrazino)cyclobut-3-ene-1,2-dione is 50376-99-3.

What are the molecular formula and molecular weight of 3,4-Bis(1-methylhydrazino)cyclobut-3-ene-1,2-dione?

3,4-Bis(1-methylhydrazino)cyclobut-3-ene-1,2-dione has molecular formula C6H10N4O2 and molecular weight 170.16900 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-Bis(1-methylhydrazino)cyclobut-3-ene-1,2-dione (CAS 50376-99-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498064-2 (accessed 2026-10-23).

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