4,4′-Thiobisbenzenethiol
4,4′-Thiobisbenzenethiol (CAS 19362-77-7) is a chemical compound with the molecular formula S(C₆H₄SH)₂ and a molecular weight of 250.40 g/mol. This compound, also known by its synonym S(C6H4SH)2, is primarily utilised as a monomer and intermediate in the synthesis of dyes. Its chemical structure and reactivity make it a valuable reagent in various chemical processes, particularly within materials science and polymer chemistry.
- Synonyms
- S(C6H4SH)2
Dye Intermediate
4,4′-Thiobisbenzenethiol serves as a key intermediate in the production of various dyes. Its functional groups allow for further chemical modifications to create coloured compounds.
Polymer Science
As a reagent for polymerization, this compound can be employed in the synthesis of specific polymers. It is recognised for its utility in materials science applications.
Chain Transfer Agent
In polymerisation processes, 4,4′-Thiobisbenzenethiol can act as a chain transfer agent, helping to control the molecular weight and properties of the resulting polymers.
| Molecular weight | 250.40 |
|---|---|
| Linear formula | S(C6H4SH)2 |
| Assay | 98% |
| Application | Useful monomer and intermediate for dyes. |
| Melting point | 112-114 °C(lit.) |
Hazard statements
- 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 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4,4′-Thiobisbenzenethiol used for?
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4,4′-Thiobisbenzenethiol is primarily used as a monomer and intermediate for dyes, and also finds application in polymer science as a reagent for polymerization and as a chain transfer agent.
What is the CAS number and molecular formula for 4,4′-Thiobisbenzenethiol?
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The CAS number for 4,4′-Thiobisbenzenethiol is 19362-77-7, and its linear molecular formula is S(C₆H₄SH)₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,4′-Thiobisbenzenethiol with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 4,4′-Thiobisbenzenethiol be handled safely?
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Handling requires caution due to hazards H315, H319, and H335. Use a dust mask type N95 (US), wear eyeshields and gloves. Avoid breathing dust/fume/gas/mist/vapours/spray. Avoid contact with eyes, skin, and clothing.
How is 4,4′-Thiobisbenzenethiol packed and exported?
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4,4′-Thiobisbenzenethiol is carefully packed and exported by Tech Serve Solutions in compliance with all relevant international shipping regulations for chemical substances.
How can I request a sample or quote for 4,4′-Thiobisbenzenethiol?
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To request a sample or quote, please contact the Tech Serve Solutions sales team via our website or directly by phone. Please reference the product name and CAS number.
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