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4-[(E)-2-phenylethenyl]pyridazine

4-[(E)-2-苯乙烯基]哒嗪

Also known as: 4-Styrylpyridazine, 4-(2-phenylethenyl)pyridazine, Pyridazine, 4-(2-phenylethenyl)-, 4-[(E)-2-Phenylethenyl]pyridazine

4-[(E)-2-phenylethenyl]pyridazine (CAS 39816-19-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H10N2 and a molecular weight of 182.22100 g/mol. It is also known as 4-Styrylpyridazine, 4-(2-phenylethenyl)pyridazine and Pyridazine, 4-(2-phenylethenyl)-. Key properties include a boiling point of 364.2ºC at 760 mmHg, a density of 1.145 g/cm3 and a flash point of 168.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
39816-19-8
Jingsj CID
J-1093077-7
Molecular Formula
C12H10N2
Chinese Name
4-[(E)-2-苯乙烯基]哒嗪
Molecular Weight
182.22100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point364.2ºC at 760 mmHg
Density1.145 g/cm3
Flash Point168.9ºC

Frequently Asked Questions

What is the CAS number of 4-[(E)-2-phenylethenyl]pyridazine?

The CAS number of 4-[(E)-2-phenylethenyl]pyridazine is 39816-19-8.

What are the molecular formula and molecular weight of 4-[(E)-2-phenylethenyl]pyridazine?

4-[(E)-2-phenylethenyl]pyridazine has molecular formula C12H10N2 and molecular weight 182.22100 g/mol.

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

Last updated:

How to cite: Jingsj. "4-[(E)-2-phenylethenyl]pyridazine (CAS 39816-19-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1093077-7 (accessed 2026-10-22).

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