S-Phenyl benzenethiosulfonate
S-Phenyl benzenethiosulfonate (CAS: 1212-08-4; Formula: C6H5SO2SC6H5) is a sulfur-containing organic compound with a molecular weight of 250.34 g/mol. This compound functions primarily as a building block and reagent in organic synthesis. It is valuable for introducing specific sulfur-based functionalities into more complex molecules, making it a key intermediate in various chemical research and development pathways.
- IUPAC
- Benzenethiosulfonic acid S-phenyl ester
- Synonyms
- Benzenethiosulfonic acid S-phenyl ester

Organic Synthesis Reagent
Utilised as a reagent in organic synthesis for the preparation of diverse sulfur-containing compounds. Its structure allows for controlled reactions to introduce specific functional groups.
Chemical Research
Serves as a valuable building block in academic and industrial chemical research. It aids in exploring novel synthetic routes and developing new materials or pharmaceuticals.
Intermediate for Specialty Chemicals
Can be employed as an intermediate in the synthesis of more complex specialty chemicals. Its thiosulfonate structure is reactive and amenable to various chemical transformations.
| Molecular weight | 250.34 |
|---|---|
| Linear formula | C6H5SO2SC6H5 |
| Assay | 99% |
| Melting point | 36-53 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
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 S-Phenyl benzenethiosulfonate used for?
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S-Phenyl benzenethiosulfonate is primarily used as a building block and reagent in organic synthesis and chemical research to create sulfur-containing compounds.
What is the CAS number and formula for S-Phenyl benzenethiosulfonate?
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The CAS number is 1212-08-4 and the molecular formula is C6H5SO2SC6H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies S-Phenyl benzenethiosulfonate with an assay of 99%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should S-Phenyl benzenethiosulfonate be handled?
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Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 respirator filter. Refer to the Safety Data Sheet for comprehensive handling guidelines and hazard information.
Is S-Phenyl benzenethiosulfonate a controlled substance?
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The provided data does not indicate that S-Phenyl benzenethiosulfonate is a controlled substance.
How is S-Phenyl benzenethiosulfonate packed, shipped, or exported?
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Products are carefully packed according to international shipping regulations to ensure safe transit. Tech Serve Solutions is a global supplier and exporter of fine chemicals.
How can I request a sample or quote for S-Phenyl benzenethiosulfonate?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team through our website or by calling our main office.
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