Pyridinium p-toluenesulfonate
Pyridinium p-toluenesulfonate (CAS: 24057-28-1; Formula: C12H13NO3S; Molar Mass: 251.30 g/mol) is a pyridine salt of p-toluenesulfonic acid. It serves as a valuable organic acid catalyst and a building block in chemical synthesis. This compound is frequently employed in various organic transformations, facilitating reactions where a mild, acidic environment is required. Its characteristics make it a useful reagent in academic and industrial research laboratories for developing novel chemical entities and processes.
- IUPAC
- p-Toluenesulfonic acid pyridine salt,PPTS,Pyridine p-toluenesulfonate
- Synonyms
- p-Toluenesulfonic acid pyridine saltPPTSPyridine p-toluenesulfonate
Acid Catalyst
Pyridinium p-toluenesulfonate acts as an effective acid catalyst in numerous organic reactions, including acetal formation and transacetalisation. Its controlled acidity allows for selective catalysis in sensitive synthetic pathways.
Organic Synthesis
As a pyridinium salt derived from p-toluenesulfonic acid, it is employed as a reagent or building block in the synthesis of complex organic molecules. It can be used in reactions requiring a mild acidic environment or as a source of the pyridinium moiety.
Protecting Group Chemistry
This compound can be utilised in reactions involving the formation or cleavage of protecting groups, particularly in the synthesis of pharmaceuticals and fine chemicals. Its acidic nature supports these transformations.
| Molecular weight | 251.30 |
|---|---|
| Empirical formula | C12H13NO3S |
| Assay | 98% |
| Grade | puriss. |
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) | 2 |
| 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 Pyridinium p-toluenesulfonate used for?
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Pyridinium p-toluenesulfonate is primarily used as an acid catalyst in organic synthesis and as a building block for creating complex organic molecules. It is particularly useful in reactions requiring a mild acidic environment.
What are the CAS number and formula for Pyridinium p-toluenesulfonate?
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The CAS number for Pyridinium p-toluenesulfonate is 24057-28-1, and its molecular formula is C12H13NO3S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pyridinium p-toluenesulfonate with an assay of 98% in 'puriss.' grade. We do not represent this product as USP, BP, or EP.
What are the safety considerations for handling Pyridinium p-toluenesulfonate?
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Pyridinium p-toluenesulfonate is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid inhalation of dust.
How is Pyridinium p-toluenesulfonate packed and exported?
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Pyridinium p-toluenesulfonate is carefully packed to maintain its integrity during transit and is available for export globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or sample of Pyridinium p-toluenesulfonate, please contact our sales team via the website or provide your details through the designated enquiry form.
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