2-Mercaptopyridine N-oxide sodium salt
2-Mercaptopyridine N-oxide sodium salt (CAS: 3811-73-2) is a versatile heterocyclic compound with a molecular weight of 149.15 g/mol. It is supplied by Tech Serve Solutions with an assay of 95% and is soluble in water. This chemical functions as an antifungal agent and is also recognised for its ability to interfere with cell membrane permeability. Its applications span various sectors within chemical synthesis and as a biochemical reagent.

Antifungal Agent
This compound exhibits antifungal properties, making it suitable for applications where microbial control is essential. Its efficacy extends to various formulations requiring preservation against fungal growth.
Interference with Cell Membrane Permeability
Known for its ionophoric activity, 2-Mercaptopyridine N-oxide sodium salt can disrupt the normal function of cell membranes by altering ion transport. This characteristic is leveraged in research settings to study cellular processes.
Chemical Synthesis Building Block
As a pyridine derivative, it serves as a useful building block in organic synthesis. It can be incorporated into more complex molecular structures for the development of novel compounds.
Biochemical Reagent
Its unique chemical structure and properties make it a valuable reagent in biochemical research. It is employed in studies investigating cellular mechanisms and as a component in various assay systems.
| Molecular weight | 149.15 |
|---|---|
| Empirical formula | C5H4NNaOS |
| Assay | 95% |
| Solubility | water: soluble0.5 g/10 mL, clear, colorless to light yellow |
| Concentration | ~40% in H2O |

Hazard statements
- H302Harmful if swallowed
- 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) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 2-Mercaptopyridine N-oxide sodium salt primarily used for?
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2-Mercaptopyridine N-oxide sodium salt is primarily used as an antifungal agent and is known to interfere with cell membrane permeability. It also serves as a building block in chemical synthesis and as a biochemical reagent.
What is the CAS number and formula for 2-Mercaptopyridine N-oxide sodium salt?
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The CAS number is 3811-73-2, and the empirical formula (Hill notation) is C5H4NNaOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Mercaptopyridine N-oxide sodium salt with an assay of 95%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated.
What are the main safety hazards associated with this chemical?
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This compound is classified with GHS07 symbol and carries a Warning signal word. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be used.
How is this chemical typically packed and shipped?
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Products are carefully packed according to international shipping regulations to ensure safe transit. As a global supplier, TSS exports chemicals worldwide.
How can I request a sample or quote for 2-Mercaptopyridine N-oxide sodium salt?
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To request a sample or a quotation, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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