2-(9H-fluoren-9-ylidene)malononitrile

Also known as: 9-(Dicyanomethylene)fluorene, 9-Fluorenylidenemalononitrile, 2-fluoren-9-ylidenemalononitrile, 2-fluoren-9-ylidenepropanedinitrile, Propanedinitrile, 2-(9H-fluoren-9-ylidene)-, 9-dicyanomethylene-9H-fluorene, fluoren-9-ylidenemethane-1,1-dicarbonitrile, TIMTEC-BB SBB008286

2-(9H-fluoren-9-ylidene)malononitrile (CAS 1989-32-8) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H8N2 and a molecular weight of 228.24800 g/mol. Key properties include a boiling point of 405.9ºC at 760 mmHg, a density of 1.289g/cm3 and a flash point of 196.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1989-32-8
Jingsj CID: J-5312-1
Molecular Formula: C₁₆H₈N₂
Molecular Weight: 228.24800 g/mol
Category: Nitrogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	405.9ºC at 760 mmHg
Density	1.289g/cm3
Flash Point	196.9ºC
Exact Mass	228.06900
PSA	47.58000
LogP	3.51606
Vapor Pressure	8.5E-07mmHg at 25°C
Refractive Index	1.682

Customs & Trade Information

HS Code	2926909090
Summary	HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-(9H-fluoren-9-ylidene)malononitrile?

The CAS number of 2-(9H-fluoren-9-ylidene)malononitrile is 1989-32-8.

What are the molecular formula and molecular weight of 2-(9H-fluoren-9-ylidene)malononitrile?

2-(9H-fluoren-9-ylidene)malononitrile has molecular formula C16H8N2 and molecular weight 228.24800 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. "2-(9H-fluoren-9-ylidene)malononitrile (CAS 1989-32-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5312-1 (accessed 2026-11-06).

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