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7,7,8,8-Tetracyanoquinodimethane, 98%
CAS: 1518-16-7 | C12H4N4 | 204.192 g/mol
Supplier: Thermo Scientific Chemicals A1077906
Description
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 Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications7,7,8,8-Tetracyanoquinodimethane is an electron-acceptor molecule used to form charge-transfer superconductors. It is an effective catalyst used for the É-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.
Specifications
| 7,7,8,8-Tetracyanoquinodimethane | |
| ∼288°C (decomposition) | |
| MFCD00011664 | |
| UN3439 | |
| 7,7,8,8-tetracyanoquinodimethane, tcnq, tetracyanoquinodimethane, tetracyanoquinodimethan, 2,2'-cyclohexa-2,5-diene-1,4-diylidene dimalononitrile, tetracyano-p-quinodimethane, tetracyanoquinodimethan e, quinodimethan, tetracyano, propanedinitrile, 2,2'-2,5-cyclohexadiene-1,4-diylidene bis, 7,7,8,8-tetracyano-p-quinodimethane | |
| PCCVSPMFGIFTHU-UHFFFAOYSA-N | |
| 2-[4-(dicyanomethylidene)cyclohexa-2,5-dien-1-ylidene]propanedinitrile | |
| 73697 | |
| 204.19 |
| 1518-16-7 | |
| C12H4N4 | |
| 5 g | |
| 611604 | |
| Insoluble in water. | |
| C1=CC(=C(C#N)C#N)C=CC1=C(C#N)C#N | |
| 204.192 | |
| CHEBI:52445 | |
| 98% |
Chemical Identifiers
| 1518-16-7 | |
| 204.192 | |
| PCCVSPMFGIFTHU-UHFFFAOYSA-N | |
| 73697 | |
| 2-[4-(dicyanomethylidene)cyclohexa-2,5-dien-1-ylidene]propanedinitrile |
| C12H4N4 | |
| MFCD00011664 | |
| 7,7,8,8-tetracyanoquinodimethane, tcnq, tetracyanoquinodimethane, tetracyanoquinodimethan, 2,2'-cyclohexa-2,5-diene-1,4-diylidene dimalononitrile, tetracyano-p-quinodimethane, tetracyanoquinodimethan e, quinodimethan, tetracyano, propanedinitrile, 2,2'-2,5-cyclohexadiene-1,4-diylidene bis, 7,7,8,8-tetracyano-p-quinodimethane | |
| CHEBI:52445 | |
| C1=CC(=C(C#N)C#N)C=CC1=C(C#N)C#N |
Safety and Handling
GHS H Statement
H331-H302-H312
Toxic if inhaled.
Harmful if swallowed.
Harmful in contact with skin.
P261-P264b-P270-P271-P280-P301+P310-P302+P352-P304+P340-P311-P312-P330-P361-P363-P501c
H301+H311+H331-H332
DOTInformation : Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: NITRILES, SOLID, TOXIC, N.O.S.
EINECSNumber : 216-174-8
RTECSNumber : GU4850000
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only