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Alfa Aesar™ 7,7,8,8-Tetracyanoquinodimethane, 98%

Chemical Identifiers

Chemical Name or Material 7,7,8,8-Tetracyanoquinodimethane
CAS 1518-16-7
Molecular Formula C12H4N4
Formula Weight 204.19
MDL Number MFCD00011664
UN Number UN3439
Beilstein 611604
Synonym TCNQ
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA1077906

  SDS
alfa aesar™
A1077906
5g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1077914

  SDS
alfa aesar™
A1077914
25g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Formula Weight 204.19
Chemical Name or Material 7,7,8,8-Tetracyanoquinodimethane
TSCA TSCA
Assay 98%
Molecular Formula C12H4N4
MDL Number MFCD00011664
CAS 1518-16-7
UN Number UN3439
Beilstein 611604
Synonym TCNQ
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H331-H302-H312
Toxic if inhaled.
Harmful if swallowed.
Harmful in contact with skin.
Health Hazard 3 GHS P Statement
P261-P280-P304+P340-P311-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Call a POISON CENTER or doctor/physician.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
Melting Point ≈288°C (dec.)
Quantity 5g
DOT Information Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: NITRILES, SOLID, TOXIC, N.O.S.
RTECS Number GU4850000

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

Solubility
Insoluble in water.

Notes
Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. Incompatible with oxidizing agents.

Safety and Handling

Danger

GHS P Statement
P261-P280-P304+P340-P311-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Call a POISON CENTER or doctor/physician.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H331-H302-H312
Toxic if inhaled.
Harmful if swallowed.
Harmful in contact with skin.