Pyridinium 3-nitrobenzenesulfonate
Pyridinium 3-nitrobenzenesulfonate (CAS: 84752-61-4), with the molecular formula C5H5N · C6H5NO5S and a molecular weight of 282.27 g/mol, is a chemical compound utilised in various synthesis applications. It functions as a building block, particularly within the realm of heterocyclic chemistry. This pyridine derivative offers a specific structural motif for chemists engaged in the development of novel molecules and materials. TSS supplies this compound for research and chemical synthesis purposes.
- IUPAC
- 3-Nitrobenzenesulfonic acid pyridine salt,PNBS

Heterocyclic Synthesis
Pyridinium 3-nitrobenzenesulfonate serves as a valuable intermediate in the synthesis of complex heterocyclic compounds. Its structure facilitates specific chemical transformations required in organic chemistry.
Organic Synthesis Reagent
This compound can be employed as a reagent or building block in diverse organic synthesis pathways. It is suitable for researchers developing new synthetic methodologies or target molecules.
Chemical Research
Utilised in laboratory settings for research and development, enabling the exploration of new chemical reactions and the creation of novel compounds. Its properties make it a useful component in chemical synthesis.
| Molecular weight | 282.27 |
|---|---|
| Empirical formula | C5H5N · C6H5NO5S |
| Assay | 98% |
| Melting point | 119-122 °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 Pyridinium 3-nitrobenzenesulfonate used for?
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Pyridinium 3-nitrobenzenesulfonate is primarily used as a building block in organic synthesis, particularly for the construction of heterocyclic compounds. It finds application in chemical research and development laboratories.
What is the CAS number and formula for Pyridinium 3-nitrobenzenesulfonate?
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The CAS number for Pyridinium 3-nitrobenzenesulfonate is 84752-61-4, and its formula is C5H5N · C6H5NO5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pyridinium 3-nitrobenzenesulfonate with an assay of 98%. This product is supplied for research and chemical synthesis and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Pyridinium 3-nitrobenzenesulfonate be handled?
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Handle Pyridinium 3-nitrobenzenesulfonate with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust. The compound is labelled with a Warning signal word and hazards H315, H319, and H335, indicating skin, eye, and respiratory irritation.
Is Pyridinium 3-nitrobenzenesulfonate a controlled substance?
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The provided data does not indicate that Pyridinium 3-nitrobenzenesulfonate is a controlled substance.
How is Pyridinium 3-nitrobenzenesulfonate packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging details will be provided upon inquiry, adhering to international shipping regulations for chemical products.
How can I request a quote or sample?
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To request a quote or sample of Pyridinium 3-nitrobenzenesulfonate, please contact our sales team directly through the website or via the provided contact information.
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