Thieno[3,2-b]thiophene
Thieno[3,2-b]thiophene (CAS 251-41-2), molecular formula C6H4S2, 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
- 1,4-Dithiapentalene,1,4-Thiophthene
![Thieno[3,2-b]thiophene](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F251-41-2.png&w=3840&q=75)
| Molecular weight | 140.23 |
|---|---|
| Empirical formula | C6H4S2 |
| Assay | 95% |
| Melting point | 53-58 °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
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 98 °C / 208.4 °F |
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Thieno[3,2-b]thiophene?
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Thieno[3,2-b]thiophene (CAS 251-41-2), molecular formula C6H4S2, is a high-purity chemical supplied by Tech Serve Solutions for organic & printed electronics applications, to USP, BP and EP standards.
What grades of Thieno[3,2-b]thiophene does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Thieno[3,2-b]thiophene 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 Thieno[3,2-b]thiophene?
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Thieno[3,2-b]thiophene has CAS number 251-41-2 and molecular formula C6H4S2. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Thieno[3,2-b]thiophene?
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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 Thieno[3,2-b]thiophene 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 Thieno[3,2-b]thiophene be stored?
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Store Thieno[3,2-b]thiophene 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 Thieno[3,2-b]thiophene used for?
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Thieno[3,2-b]thiophene 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 Thieno[3,2-b]thiophene?
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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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