2-{[7-(5-N,N-Ditolylaminothiophen-2-yl)-2,1,3-benzothiadiazol-4-yl]methylene}malononitrile
2-{[7-(5-N,N-Ditolylaminothiophen-2-yl)-2,1,3-benzothiadiazol-4-yl]methylene}malononitrile (CAS: 1335150-09-8) is a high-purity organic compound with the molecular formula C28H19N5S2 and a molecular weight of 489.61 g/mol. This p-type organic semiconductor is a key donor material for advanced organic electronics, particularly in the development of organic field-effect transistors (OFETs) and organic photovoltaic (OPV) cells. Its carefully designed molecular structure facilitates efficient charge transport and light absorption.
- IUPAC
- 2-[[7-[5-[Bis(4-methylphenyl)amino]-2-thienyl]-2,1,3-benzothiadiazol-4-yl]methylene]propanedinitrile,DTDCTB
- Synonyms
- 2-[[7-[5-[Bis(4-methylphenyl)amino]-2-thienyl]-2,1,3-benzothiadiazol-4-yl]methylene]propanedinitrileDTDCTB
![2-{[7-(5-N,N-Ditolylaminothiophen-2-yl)-2,1,3-benzothiadiazol-4-yl]methylene}malononitrile (C28H19N5S2) — chemical structure, CAS 1335150-09-8; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1335150-09-8.png&w=3840&q=75)
Organic Photovoltaic (OPV) Materials
This compound serves as a donor material in vacuum-deposited organic solar cells. When paired with fullerenes like C60/C70, it has demonstrated high power conversion efficiencies (PCE), achieving up to 5.81% in research applications.
Organic Field-Effect Transistor (OFET) Materials
As a p-type organic semiconductor, it is investigated for use in the active layer of organic field-effect transistors. Its properties are suitable for developing flexible and printed electronic devices.
Materials Science Research
This molecule is employed in materials science for developing novel organic electronic materials. Its synthesis and characterization contribute to advancing the understanding and performance of organic semiconductors.
Small Molecule Organic Electronics
Utilised as a small molecule donor, it is integral to the development of next-generation organic and printed electronics, offering advantages in processability and device architecture.
| Molecular weight | 489.61 |
|---|---|
| Empirical formula | C28H19N5S2 |
| Assay | 99% (HPLC) |
| Form | powder |
| Application | A vacuum-deposited organic solar cell employing this novel donor-acceptor-acceptor (D-A-A) donor molecule; DTDCTB; combined with the electron acceptor C60/ C70 achieved a record-high power conversion efficiency (PCE) of 5.81%. |
| Melting point | 230-235 °C |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Transition Temp | Tm 233 °C |
|---|---|
| Absorption | 662-664 nm in dichloromethane |
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 2-{[7-(5-N,N-Ditolylaminothiophen-2-yl)-2,1,3-benzothiadiazol-4-yl]methylene}malononitrile primarily used for?
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This compound is primarily used as a donor material in advanced organic electronics, specifically for organic photovoltaic (OPV) cells and organic field-effect transistors (OFETs).
What is the CAS number and molecular formula for this chemical?
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The CAS number is 1335150-09-8, and the empirical formula (Hill notation) is C28H19N5S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 99% as determined by HPLC. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should this chemical be handled safely?
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This chemical is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, ensure good ventilation, and avoid inhalation, skin, and eye contact. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.
Is this product available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including this product.
How can I request a sample or quote?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number (1335150-09-8).
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