7,7,8,8-Tetracyanoquinodimethane
7,7,8,8-Tetracyanoquinodimethane (CAS: 1518-16-7; C12H4N4) is a potent electron acceptor with a molecular weight of 204.19 g/mol. This compound is crucial in the field of materials science, particularly for its role in organic electronics. It is extensively used in applications such as forming charge-transfer superconductors and as a component in Hole Injection Layers (HIL) and Hole Transport (HT) materials for organic electronic devices.
- IUPAC
- (2,5-Cyclohexadiene-1,4-diylidene)-dimalononitrile,TCNQ
- Synonyms
- 7,7,8,8-Tetracyanoquinodimethane1518-16-7C12H4N4(2,5-Cyclohexadiene-1,4-diylidene)-dimalononitrileTCNQ
Charge-Transfer Superconductors
7,7,8,8-Tetracyanoquinodimethane serves as an electron-acceptor molecule. It is employed in the formation of charge-transfer superconductors, a key area in advanced materials research.
Organic Electronics
This compound is vital for developing organic electronic devices. It functions effectively as a Hole Injection Layer (HIL) and Hole Transport (HT) material, contributing to device performance and stability.
Non-Linear Optical (NLO) Materials
Its molecular structure lends itself to applications in Non-Linear Optics. As an NLO chromophore intermediate, it plays a role in developing advanced optical materials.
| Molecular weight | 204.19 |
|---|---|
| Empirical formula | C12H4N4 |
| Assay | 98% |
| Application | Electron-acceptor molecule used to form charge-transfer superconductors.1 |
| Melting point | 287-289 °C (dec.)(lit.) |
Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3439A 6.1 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25 |
| Safety statements (S) | 36/37-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... CAPN1(823)rat ... Capn1(29153), Nos1(24598) |
|---|---|
| Semiconductor Properties | N-type (mobility=10−5 cm2/V·s) |
| Orbital Energy | LUMO 4.6 eV |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 7,7,8,8-Tetracyanoquinodimethane used for?
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7,7,8,8-Tetracyanoquinodimethane is primarily used as an electron-acceptor molecule for forming charge-transfer superconductors and as a Hole Injection Layer (HIL) or Hole Transport (HT) material in organic electronic devices like OLEDs and OFETs.
What is the CAS number and formula for 7,7,8,8-Tetracyanoquinodimethane?
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The CAS number for 7,7,8,8-Tetracyanoquinodimethane is 1518-16-7, and its empirical formula is C12H4N4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 7,7,8,8-Tetracyanoquinodimethane with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the safety precautions for handling 7,7,8,8-Tetracyanoquinodimethane?
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7,7,8,8-Tetracyanoquinodimethane is classified as acutely toxic (Category 3) via oral, dermal, and inhalation routes (H301 + H311 + H331). Handle with appropriate personal protective equipment including a dust mask (type N95 or equivalent), eyeshields, and gloves in a well-ventilated area. Seek immediate medical attention if exposed. Dispose of as hazardous waste according to UN 3439A regulations.
How is 7,7,8,8-Tetracyanoquinodimethane shipped and exported?
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7,7,8,8-Tetracyanoquinodimethane is shipped and exported as a hazardous material under UN 3439A, Class 6.1, Packing Group I. We adhere to all international shipping regulations.
How can I request a sample or quote for 7,7,8,8-Tetracyanoquinodimethane?
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To request a sample or a quotation for 7,7,8,8-Tetracyanoquinodimethane, please contact our sales department through the website or by phone. Provide your contact details and the quantity required.
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