5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸
5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸ (CAS 1256724-81-8), molecular formula C28H12N4S5, is a high-purity chemical supplied by Tech Serve Solutions for organic & printed electronics applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- 2,2′-Bis(2,2-dicyanovinyl)-quinquethiophene,2,2′-[2,2′:5′,2′′:5′′,2′′′:5′′′,2′′′′-Quinquethien-5,5′′′′- diylbis(methane-1-yl-1-ylidine)]dimalononitrile
- Synonyms
- 2′:5′2�-81-8

| Molecular weight | 564.75 |
|---|---|
| Empirical formula | C28H12N4S5 |
| Assay | ≥97% |
| Form | powder |
| Application | VAC-processed single high-efficiency Small-BHJ solar cell:OPV Device Structure: ITO/C60/DCV5T: C60/BPAPF/Spiro-NPB/Al• JSC = 11.1 mA/cm2• VOC = 0.97 V• FF = 0.49• PCE = 5.2% |
| Melting point | 283-286 °C |
| Absorption | 530 nm in DMSO |
|---|
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸?
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5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸ (CAS 1256724-81-8), molecular formula C28H12N4S5, is a high-purity chemical supplied by Tech Serve Solutions for organic & printed electronics applications, to USP, BP and EP standards.
What grades of 5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸ does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸ in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of 5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸?
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5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸ has CAS number 1256724-81-8 and molecular formula C28H12N4S5. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for 5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of 5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸ ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should 5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸ be stored?
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Store 5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸ in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is 5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸ used for?
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5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸ is used in organic & printed electronics applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for 5,5′′′′-Bis(2′′′′′,2′′′′′-dicyanovinyl)-2,2′:5′,2̸?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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