CAS 1518-16-7

7,7,8,8-Tetracyanoquinodimethane

Description:

7,7,8,8-Tetracyanoquinodimethane (TCNQ) is a highly conjugated organic compound known for its strong electron-accepting properties. It features a quinodimethane structure with four cyano (–CN) groups attached, which significantly enhances its electron affinity. TCNQ is typically a dark blue solid at room temperature and is soluble in various organic solvents, making it useful in different chemical applications. Its high electron affinity allows it to form charge-transfer complexes with electron donors, which is valuable in organic electronics and materials science. TCNQ is also utilized in the synthesis of conductive polymers and as a reagent in organic synthesis. Additionally, it exhibits interesting optical properties, including strong absorption in the ultraviolet-visible region, which can be exploited in photonic applications. Due to its stability and reactivity, TCNQ is often handled with care in laboratory settings. Overall, TCNQ is a significant compound in the field of organic chemistry and materials science, contributing to advancements in electronic materials and devices.

Formula: C₁₂H₄N₄

InChI: InChI=1/C6H4/c1-2-4-6-5-3-1/h1-2,5-6H

InChI key: InChIKey=PCCVSPMFGIFTHU-UHFFFAOYSA-N

SMILES: C(C#N)(C#N)=C1C=CC(=C(C#N)C#N)C=C1

Synonyms:

• (2,5-Cyclohexadiene-1,4-diylidene)dimalononitrile
• (2,5-Cyclohexadiene-1,4-diylidene)malononitrile
• 1, 4-Bis (dicyanomethylene) cyclohexadiene
• 1,4-Bis(dicyanomethylene)cyclohexadiene
• 2,2'-(2,5-Ciclohexadieno-1,4-Diiliden)Bismalononitrilo
• 2,2'-(2,5-Cyclohexadien-1,4-diyliden)bismalononitril
• 2,2'-(2,5-Cyclohexadiene-1,4-Diylidene)Bis-Propanedinitril
• 2,2'-(2,5-Cyclohexadiene-1,4-Diylidene)Bismalononitrile
• 2,2'-(2,5-Cyclohexadiene-1,4-diylidene)bis[propanedinitrile]
• 2,2'-(2,5-Cyclohexadiene-1,4-diylidene)dimalononitrile
• 2,2'-Cyclohexa-2,5-Diene-1,4-Diylidenedipropanedinitrile
• 2,2′-(Cyclohexa-2,5-diene-1,4-diylidene)dimalononitrile
• 2,5-Cyclohexadiene-1,4-diylidene-alpha,alpha'-dimalononitrile
• 2,5-Cyclohexadiene-delta1,alpha.4,alpha-dimalononitrile
• 2,5-Cyclohexadiene-Δ1,α:4,α'-dimalononitrile
• 2,5-Cyclohexadiene-Δ^1,α:4,α′-dimalononitrile
• 2-[4-(Dicyanomethylidene)cyclohexa-2,5-dien-1-ylidene]propanedinitrile
• 7,7',8,8'-Tetracyanoquino-dimethane
• 7,7',8,8'-Tetracyanoquinodimethane
• 7,7,8,8-Tetracyano-1,4-quinodimethan
• 7,7,8,8-Tetracyano-p-quinodimethane
• Cyclohexa-2,5-Diene-1,4-Diylidene
• Lt-S973
• Methylium, dicyano[4-(dicyanomethyl)phenyl]-, inner salt
• Nsc 105237
• Propanedinitrile, 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bis-
• Quinodimethane, 7,7,8,8-Tetracyano-
• Quinodimethane, tetracyano-
• Tcnq
• Tetracyano p-Quinone Dimethane
• Tetracyano-p-quinodimethane
• Tetracyanoquinodimethan(e)
• Tetracyanoquinodimethane
• TETRACYANODIMETHANOQUINONE
• 2,5-CYCLOHEXADIENE-1,4-DIYLIDENE-A,A'-DIMALONONITRILE
• 7,7,8,8-TETRACYANO-1,4-QUINODIMETHANE
• TIMTEC-BB SBB000435
• 1,4-BIS(DICYANOMETHYLENE)-2,5-CYCLOHEXADIENE
• 2,5-CYCLOHEXADIENE-DELTA1,ALPHA4,ALPHA'-DIMALONONITRILE
• 2,5-cyclohexadiene-delta(sup1,alpha:4,alpha)-dimalononitrile
• 2,5-Cyclohexadiene-delta(sup1alpha:4alpha)dimalononitrile
• 7,7,8,8-Tetracyano-1,4-chinodimethan
• 7,7,8,8-TETRACYANOQUINODIMETHANE

7,7,8,8-Tetracyanoquinodimethane (purified by sublimation)

CAS: 1518-16-7

Formula: C₁₂H₄N₄

Purity: >99.0%(HPLC)(N)

Color and Shape: Light yellow to Amber to Dark green powder to crystal

Molecular weight: 204.19

Ref: 3B-T3034

7,7,8,8-Tetracyanoquinodimethane, 98%

CAS: 1518-16-7

7,7,8,8-Tetracyanoquinodimethane is an electron-acceptor molecule used to form charge-transfer superconductors. It is an effective catalyst used for the ?-chlorination of carboxylic acids using chlorosulfonic acid; the presence of TCNQ suppresses competing free-radical chlorination. This Thermo Scie

Formula: C₁₂H₄N₄

Purity: 98%

Color and Shape: Crystals or powder or crystalline powder or fused solid, Yellow to dark green to green to orange to brown

Molecular weight: 204.19

Ref: 02-A10779

7,7,8,8-Tetracyanoquinodimethane

CAS: 1518-16-7

Formula: C₁₂H₄N₄

Purity: ≥ 98.0%

Color and Shape: Yellow to green or brown crystalline powder or crystals

Molecular weight: 204.19

Ref: 7W-GK9005

Tetracyanoquinodimethane

CAS: 1518-16-7

Tetracyanoquinodimethane

Formula: C₁₂H₄N₄

Purity: 97%

Color and Shape: brown crystalline powder

Molecular weight: 204.19g/mol

Ref: 54-OR1571

7,7,8,8-Tetracyanoquinodimethane

CAS: 1518-16-7

Formula: C₁₂H₄N₄

Purity: >98.0%(HPLC)(N)

Color and Shape: Light yellow to Brown powder to crystal

Molecular weight: 204.19

Ref: 3B-T0078

2,2′-(Cyclohexa-2,5-diene-1,4-diylidene)dimalononitrile

CAS: 1518-16-7

Formula: C₁₂H₄N₄

Purity: 97%

Color and Shape: Crystalline

Molecular weight: 204.192

Ref: 10-F235665

7,7,8,8-Tetracyanoquinodimethane, 98% TCNQ

CAS: 1518-16-7

7,7,8,8-Tetracyanoquinodimethane, 98% TCNQ

Formula: C₁₂H₄N₄

Purity: 98%

Color and Shape: orange xtl.

Molecular weight: 204.19

Ref: 08-07-1977

7,7,8,8-Tetracyanoquinodimethane

CAS: 1518-16-7

7,7,8,8-Tetracyanoquinodimethane is a quinoid compound that is used as an analytical chemical reagent. It has been shown to be a powerful reducing agent and can be used in the determination of trace amounts of metals. 7,7,8,8-Tetracyanoquinodimethane also reacts with cationic surfactants and hydroxyl groups to form stable compounds. The nitrogen atoms in this molecule are capable of multiple transfer reactions with other molecules.br>br>
The redox potentials of this substance are negative and it has been shown to have the ability to transport pharmaceutical preparations across cell membranes. Boron nitride (BN) has been shown to stabilize the structure of 7,7,8,8-tetracyanoquinodimethane by forming strong hydrogen bonds between the BN and hydroxyl groups on this molecule.

Formula: C₁₂H₄N₄

Purity: Min. 95%

Color and Shape: Yellow To Green Or Brown Solid

Molecular weight: 204.19 g/mol

Ref: 3D-FT35132

Tetracyanoquinodimethane-13C2

Controlled Product

CAS: 1518-16-7

Formula: C₂C₁₀H₄N₄

Color and Shape: Neat

Molecular weight: 206.172

Ref: TR-T204522