Biphenyl-4,4′-dithiol
Biphenyl-4,4′-dithiol (CAS: 6954-27-4) is an organosulfur compound with the linear formula HSC₆H₄C₆H₄SH and a molecular weight of 218.34 g/mol. This chemical serves as a critical building block in materials science and organic synthesis. Its primary applications involve the formation of self-assembled monolayers on gold surfaces and its use as a molecular junction in micro/nanoelectronics, enabling advanced surface functionalisation and electronic device fabrication.
- IUPAC
- 4,4′-Dimercaptobiphenyl,BDT,BPDT
- Synonyms
- HSC6H4C6H4SH4,4′-DimercaptobiphenylBDTBPDT
Self-Assembled Monolayers (SAMs)
Utilised for the formation of functionalised gold electrodes, Biphenyl-4,4′-dithiol creates ordered Ag<sup>+</sup>-dithiol monolayers. This enables precise surface modification for various electrochemical and sensing applications.
Molecular Junctions
Acts as a molecular bridge in nanoelectronic devices, connecting gold electrodes. This application is crucial for the development of molecular-scale electronic components and circuits.
Materials Science
Serves as a key component in the development of advanced materials, particularly in areas requiring specific surface properties or self-assembly characteristics. It is instrumental in creating structured surfaces at the nanoscale.
Organic Synthesis
Functioning as an organic building block, this dithiol is valuable for constructing complex organic molecules and polymers with tailored properties. Its reactive thiol groups facilitate diverse synthetic transformations.
| Molecular weight | 218.34 |
|---|---|
| Linear formula | HSC6H4C6H4SH |
| Assay | 95% |
| Storage temperature | −20°C |
| Application | Used to assemble a Ag+ -dithiol monolayer-functionalized gold electrode.1 It can also be used as a molecular junction between gold elecctrodes. |
| Melting point | 165-174 °C |
Hazard statements
- H302Harmful if swallowed
- H413May cause long-lasting harmful effects to aquatic life
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 Biphenyl-4,4′-dithiol used for?
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Biphenyl-4,4′-dithiol is primarily used to assemble Ag+-dithiol monolayer-functionalized gold electrodes and as a molecular junction between gold electrodes in micro/nanoelectronics and materials science applications.
What are the CAS number and formula for Biphenyl-4,4′-dithiol?
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The CAS number is 6954-27-4 and the linear formula is HSC₆H₄C₆H₄SH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Biphenyl-4,4′-dithiol with a minimum assay of 95%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should Biphenyl-4,4′-dithiol be handled safely?
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Biphenyl-4,4′-dithiol is classified with Warning signal word and hazard statements H302 (Harmful if swallowed) and H413 (May cause long lasting harmful effects to aquatic life). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. It is classified as WGK 3 in Germany.
Is Biphenyl-4,4′-dithiol exported by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Biphenyl-4,4′-dithiol.
How can I request a quote or sample for Biphenyl-4,4′-dithiol?
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Please contact our sales team via the website or by phone to request a quote or a sample of Biphenyl-4,4′-dithiol.
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