2,5-Dimethyl-7,7,8,8-tetracyanoquinodimethane

Also known as: 2,2'-(2,5-Dimethyl-2,5-cyclohexadiene-1,4-diylidene)bis(propanedinitrile), (3,6-Dimethyl-2,5-cyclohexadiene-1,4-diylidene)bis(malononitrile), 2,5-Dimethyltetracyanoquinodimethane, 7,7,8,8-Tetracyano-2,5-dimethyl-p-quinodimethane, Dimethyltetracyanoquinodimethane, DMTCNQ, 2-[4-(dicyanomethylidene)-2,5-dimethylcyclohexa-2,5-dien-1-ylidene]propanedinitrile

2,5-Dimethyl-7,7,8,8-tetracyanoquinodimethane (CAS 1487-82-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H8N4 and a molecular weight of 232.24000 g/mol. Key properties include a boiling point of 280.7ºC at 760 mmHg, a density of 1.246g/cm3 and a flash point of 110.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1487-82-7
Jingsj CID: J-27617-5
Molecular Formula: C₁₄H₈N₄
Molecular Weight: 232.24000 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	280.7ºC at 760 mmHg
Density	1.246g/cm3
Flash Point	110.2ºC
Exact Mass	232.07500
PSA	95.16000
LogP	0.69912
Vapor Pressure	0.00372mmHg at 25°C
Refractive Index	1.59
Storage Conditions	2-8°C

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 2,5-Dimethyl-7,7,8,8-tetracyanoquinodimethane?

The CAS number of 2,5-Dimethyl-7,7,8,8-tetracyanoquinodimethane is 1487-82-7.

What are the molecular formula and molecular weight of 2,5-Dimethyl-7,7,8,8-tetracyanoquinodimethane?

2,5-Dimethyl-7,7,8,8-tetracyanoquinodimethane has molecular formula C14H8N4 and molecular weight 232.24000 g/mol.

What are the upstream and downstream products of 2,5-Dimethyl-7,7,8,8-tetracyanoquinodimethane?

For 2,5-Dimethyl-7,7,8,8-tetracyanoquinodimethane, Upstream Products: 1,4-bis(chloromethyl)-2,5-dimethylbenzene.

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. "2,5-Dimethyl-7,7,8,8-tetracyanoquinodimethane (CAS 1487-82-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27617-5 (accessed 2026-11-09).

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