Thieno[3,2-b]thiophene
Thieno[3,2-b]thiophene (CAS: 251-41-2), with a molecular formula of C6H4S2 and a molecular weight of 140.23 g/mol, is a heterocyclic organic compound. It serves as a key building block in materials science, particularly for organic electronics. Its fused thiophene rings impart unique electronic properties, making it valuable in the synthesis of novel semiconductors and conductive polymers.
- IUPAC
- 1,4-Dithiapentalene,1,4-Thiophthene
- Synonyms
- 1,4-Dithiapentalene1,4-Thiophthene
![Thieno[3,2-b]thiophene (C6H4S2) — chemical structure, CAS 251-41-2; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F251-41-2.png&w=3840&q=75)
Organic Electronics
Thieno[3,2-b]thiophene is widely utilised in the development of organic semiconductors for applications such as organic field-effect transistors (OFETs) and organic photovoltaics (OPVs). Its rigid, planar structure facilitates efficient charge transport.
Materials Science Research
As a versatile building block, it is employed in synthesising advanced materials with tailored electronic and optical properties. Its derivatives are investigated for use in sensing and optoelectronic devices.
Synthetic Chemistry Reagent
This compound functions as a valuable intermediate and reagent in organic synthesis. It enables the construction of more complex fused heterocyclic systems and conjugated molecules.
| 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
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 Thieno[3,2-b]thiophene used for?
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Thieno[3,2-b]thiophene is primarily used in materials science for the development of organic electronic devices like OFETs and OPVs, and as a building block in organic synthesis.
What is the CAS number and formula for Thieno[3,2-b]thiophene?
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The CAS number for Thieno[3,2-b]thiophene is 251-41-2, and its empirical formula is C6H4S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Thieno[3,2-b]thiophene with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should Thieno[3,2-b]thiophene be handled?
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Thieno[3,2-b]thiophene is classified as harmful if swallowed and causes skin, eye, and respiratory irritation. Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, in a well-ventilated area. Refer to the safety data sheet for full details.
How is Thieno[3,2-b]thiophene packed and shipped?
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Tech Serve Solutions exports Thieno[3,2-b]thiophene in compliance with international shipping regulations. Specific packaging details are available upon request.
How can I request a sample or quote for Thieno[3,2-b]thiophene?
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To request a sample or a quote for Thieno[3,2-b]thiophene, please contact our sales team through the website or by phone.
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