2-[7-(4-Diphenylaminophenyl)-2,1,3-benzothiadiazol-4-yl]methylenepropanedinitrile
2-[7-(4-Diphenylaminophenyl)-2,1,3-benzothiadiazol-4-yl]methylenepropanedinitrile (CAS: 1393343-60-6), a p-type organic semiconductor, is a key material for advanced electronics. With a molecular weight of 455.53 g/mol and an assay of 96%, this compound exhibits absorption at λmax 549 nm in dichloromethane. It is primarily utilised in the development of organic photovoltaics (OPVs) and organic field-effect transistors (OFETs), contributing to high-performance electronic devices.
- IUPAC
- 2-((7-(4-(Diphenylamino)phenyl)benzo[c][1,2,5]thiadiazol-4-yl)methylene)malononitrile,DPDCPB
- Synonyms
- 1393343-60-6C28H17N5S2-((7-(4-(Diphenylamino)phenyl)benzo[c][1,2,5]thiadiazol-4-yl)methylene)malononitrileDPDCPB
![2-[7-(4-Diphenylaminophenyl)-2,1,3-benzothiadiazol-4-yl]methylenepropanedinitrile (C28H17N5S) — chemical structure, CAS 1393343-60-6; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1393343-60-6.png&w=3840&q=75)
Organic Photovoltaics (OPVs)
This compound serves as a donor material in vacuum-deposited organic solar cells, achieving a power conversion efficiency of 5.6% when paired with C60/C70 electron acceptors. Its D-A-A structure is optimised for efficient light harvesting and charge separation.
Organic Field-Effect Transistors (OFETs)
As a p-type organic semiconductor, it is suitable for fabricating the active channel layer in OFETs. Its electronic properties enable efficient charge transport, crucial for transistor performance in printed and flexible electronics.
Materials Science Research
This molecule is employed in materials science research for developing novel organic electronic materials. Its unique structure and optoelectronic properties make it a valuable component for exploring new device architectures.
| Molecular weight | 455.53 |
|---|---|
| Empirical formula | C28H17N5S |
| Assay | 96% |
| Application | A vacuum-deposited organic solar cell employing this novel donor-acceptor-acceptor (D-A-A) donor molecule; DPDCPB; combined with the electron acceptor C60/ C70 achieved a record-high power conversion efficiency (PCE) of 5.6%.Device structure:MoO3 (30nm) / DPDCPB (7nm) / DPDCPB:C70 (40nm) / C70 (7nm) / BCP (10nm) / Ag (150nm)Device performance:• JSC = 11.45 mA/cm2• VOC = 1.0 V• FF = 0.5• PCE = 5.6% |
| Melting point | 203-207 °C |

Hazard statements
- H302Harmful if swallowed
- 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) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 549 nm in dichloromethane |
|---|---|
| Semiconductor Properties | P-type |
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-(4-Diphenylaminophenyl)-2,1,3-benzothiadiazol-4-yl]methylenepropanedinitrile used for?
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This compound is used as a p-type organic semiconductor in applications such as organic photovoltaics (OPVs) and organic field-effect transistors (OFETs), and in materials science research for developing new organic electronic materials.
What are the CAS number and formula for 2-[7-(4-Diphenylaminophenyl)-2,1,3-benzothiadiazol-4-yl]methylenepropanedinitrile?
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The CAS number is 1393343-60-6 and the empirical formula is C28H17N5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 96%. It is not represented as USP, BP, EP, or pharmacopoeia grade.
How should 2-[7-(4-Diphenylaminophenyl)-2,1,3-benzothiadiazol-4-yl]methylenepropanedinitrile be handled safely?
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This compound is a warning substance. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, avoid breathing dust/fume/gas/mist/vapours/spray, and ensure adequate ventilation. If in eyes, rinse cautiously with water for several minutes; remove contact lenses, if present and easy to do; continue rinsing.
Is this chemical available for international export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents.
How can I request a sample or quote for this product?
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Please contact our sales department via the website or by telephone to request a sample or a quotation for this product.
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