4-(Methylsulfanyl)thiophenol
4-(Methylsulfanyl)thiophenol (CAS: 1122-97-0), with the molecular formula C7H8S2 and a molecular weight of 156.27 g/mol, is a sulfur-containing organic compound. It serves as a valuable building block in chemical synthesis. Primarily utilised in organic synthesis and research laboratories, this chemical plays a role in the development of novel compounds and materials. Its specific structure makes it useful for introducing sulfur functionalities into larger molecules.
- IUPAC
- 4-(Methylthio)phenyl mercaptan,4-(Methylthio)benzenethiol
- Synonyms
- 4-(Methylthio)phenyl mercaptan4-(Methylthio)benzenethiol

Organic Synthesis Intermediate
This compound is employed as a key intermediate in multi-step organic synthesis pathways. It allows for the introduction of specific thioether and thiol functionalities into target molecules.
Research and Development
4-(Methylsulfanyl)thiophenol is utilised in academic and industrial research settings for exploring new chemical reactions and developing novel chemical entities. Its unique structure makes it a subject of interest for synthetic chemists.
Materials Science
The compound can potentially be used in the development of specialised polymers or materials where sulfur incorporation is desired for specific properties. Further research may uncover its utility in this area.
| Molecular weight | 156.27 |
|---|---|
| Empirical formula | C7H8S2 |
| Assay | 96% |
| Melting point | 19-23 °C |

Hazard statements
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
- P342
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36-43 |
| 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 4-(Methylsulfanyl)thiophenol used for?
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4-(Methylsulfanyl)thiophenol is primarily used as a building block in organic synthesis and in research and development laboratories for creating new chemical compounds and materials.
What is the CAS number and formula for 4-(Methylsulfanyl)thiophenol?
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The CAS number for 4-(Methylsulfanyl)thiophenol is 1122-97-0 and its molecular formula is C7H8S2.
What grade and purity does Tech Serve Solutions supply for 4-(Methylsulfanyl)thiophenol?
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Tech Serve Solutions supplies 4-(Methylsulfanyl)thiophenol with a minimum assay of 96%. This product is typically supplied for research and laboratory use; TSS does not represent it as USP, BP, EP, or other pharmacopoeia grades.
How should 4-(Methylsulfanyl)thiophenol be handled safely?
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Handling 4-(Methylsulfanyl)thiophenol requires caution. It is classified as Danger, with hazard statements H319 (causes serious eye irritation) and H334 (may cause allergy or asthma symptoms or breathing difficulties if inhaled). Appropriate personal protective equipment, including eyeshields, faceshields, and a suitable respirator, is essential. Always consult the Safety Data Sheet (SDS) before use.
How is 4-(Methylsulfanyl)thiophenol packed and shipped?
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Tech Serve Solutions ensures that 4-(Methylsulfanyl)thiophenol is packed securely to maintain product integrity during transit. We are experienced global suppliers and exporters, adhering to all necessary regulations for chemical shipments.
How can I request a quote or sample for 4-(Methylsulfanyl)thiophenol?
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To request a quote or a sample of 4-(Methylsulfanyl)thiophenol, please use the contact form on our website or email our sales department, providing your specific requirements and shipping details.
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