7,7,8,8-Tetracyanoquinodimethane
7,7,8,8-Tetracyanoquinodimethane
CAS: 1518-16-7
Molecular Formula: C12H4N4
7,7,8,8-Tetracyanoquinodimethane - Names and Identifiers
| Name | 7,7,8,8-Tetracyanoquinodimethane |
| Synonyms | TCNQ LT-S973 TIMTEC-BB SBB000435 7,7,8,8-Tetracyanodimethan Tetracyano p-Quinone Dimethane 7,7,8,8-Tetracyanoquinodimethane cyclohexa-2,5-diene-1,4-diylidene 7,7,8,8-Tetracyano-p-quinodimethane 7,7,8,8-Tetracyano-1,4-quinodimethan 7,7,8,8-Tetracyano-1,4-chinodimethan 7,7',8,8'-Tetracyanoquino-dimethane (2,5-Cyclohexadiene-1,4-diylidene)malononitrile 2,5-Cyclohexadiene-delta1,alpha.4,alpha-dimalononitrile 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bismalononitrile 2,2'-cyclohexa-2,5-diene-1,4-diylidenedipropanedinitrile 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bis-propanedinitril 2,5-Cyclohexadiene-1,4-diylidene-alpha,alpha'-dimalononitrile |
| CAS | 1518-16-7 |
| EINECS | 216-174-8 |
| InChI | InChI=1/C6H4/c1-2-4-6-5-3-1/h1-2,5-6H |
7,7,8,8-Tetracyanoquinodimethane - Physico-chemical Properties
| Molecular Formula | C12H4N4 |
| Molar Mass | 204.19 |
| Density | 1.3596 (rough estimate) |
| Melting Point | 287-289 °C (dec.) (lit.) |
| Boling Point | 332.67°C (rough estimate) |
| Water Solubility | insoluble |
| Appearance | Crystalline Powder |
| Color | Orange-brown to green |
| Odor | Dark yellow to brown crystals/powder |
| Maximum wavelength(λmax) | ['395nm(CH3CN)(lit.)'] |
| BRN | 611604 |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Stable. Incompatible with strong acids, strong bases, strong reducing agents, strong oxidizing agents. |
| Refractive Index | 1.5000 (estimate) |
7,7,8,8-Tetracyanoquinodimethane - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36/37 - Wear suitable protective clothing and gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | 3276 |
| WGK Germany | 3 |
| RTECS | GU4850000 |
| TSCA | Yes |
| HS Code | 29269095 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | II |
7,7,8,8-Tetracyanoquinodimethane - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | an electron acceptor that synthesizes an electron transfer (CT) material; Forms an electron transfer complex; An electron acceptor molecule, electron acceptor molecules used to form electron transfer superconductors. |
Last Update：2024-04-10 22:29:15
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