4-(Dicyanomethylene)-2-methyl-6-(julolidin-4-ylvinyl)-4H-pyran

Also known as: DCM2, DCJ, 4-(Dicyanomethylene)-2-methyl-6-julolidyl-9-enyl-4H-pyran, [2-Methyl-6-[2-(2,3,6,7-tetrahydro-1H,5H-benzo[ij]quinolizin-9-yl)ethenyl]-4H-pyran-4-ylidene]propanedinitrile, Propanedinitrile, [2-methyl-6-[(E)-2-(2,3,6,7-tetrahydro-1H,5H-benzo[ij]quinolizin-9-yl)ethenyl]-4H-pyran-4-ylidene]-

4-(Dicyanomethylene)-2-methyl-6-(julolidin-4-ylvinyl)-4H-pyran (CAS 51325-95-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C23H21N3O and a molecular weight of 355.432 g/mol. Key properties include a boiling point of 555.5±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 289.7±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 51325-95-2
Jingsj CID: J-898653-9
Molecular Formula: C₂₃H₂₁N₃O
Molecular Weight: 355.432 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	555.5±50.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	289.7±30.1 °C
Exact Mass	355.168457
PSA	60.05000
LogP	2.62
Vapor Pressure	0.0±1.5 mmHg at 25°C
Refractive Index	1.654

Frequently Asked Questions

What is the CAS number of 4-(Dicyanomethylene)-2-methyl-6-(julolidin-4-ylvinyl)-4H-pyran?

The CAS number of 4-(Dicyanomethylene)-2-methyl-6-(julolidin-4-ylvinyl)-4H-pyran is 51325-95-2.

What are the molecular formula and molecular weight of 4-(Dicyanomethylene)-2-methyl-6-(julolidin-4-ylvinyl)-4H-pyran?

4-(Dicyanomethylene)-2-methyl-6-(julolidin-4-ylvinyl)-4H-pyran has molecular formula C23H21N3O and molecular weight 355.432 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-(Dicyanomethylene)-2-methyl-6-(julolidin-4-ylvinyl)-4H-pyran (CAS 51325-95-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-898653-9 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.