Molekula
2-Mercaptopyridine-N-oxide sodium salt
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2-Mercaptopyridine-N-oxide sodium salt is a sulfur-containing heterocyclic compound used in organic synthesis and as a ligand in coordination chemistry. Industrially, it is used in formulating adhesives and sealing compounds, and in soil amendment products such as fertilizers. It is a white to pale yellow crystalline powder, soluble in water. Available with CAS number 3811-73-2, molecular formula C5H4NNaOS, and molecular weight 149.15 g/mol. Store at ambient temperature. Hazard classification includes signal word Danger. Molekula supplies 2-Mercaptopyridine-N-oxide sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £22.50 per pack ex VAT · £27.00 inc. VAT
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5 g — £59.60 per pack ex VAT · £71.52 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off white powder |
| Loss on Drying | ≤5.0% |
| Assay | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 37526643 |
| CAS Number | 3811-73-2 |
| IUPAC Name | sodium 1-oxidopyridine-2-thione |
| EC Number | 223-296-5 |
| Molecular Formula | C5H4NNaOS |
| Molecular Weight | 149.15 |
| Exact Mass | 148.9911 |
| SMILES | C1=CC(=S)N(C=C1)[O-].[Na+] |
| InChIKey | XNRNJIIJLOFJEK-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H4NOS.Na/c7-6-4-2-1-3-5(6)8;/h1-4H;/q-1;+1 |
| PubChem CID | 19658 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.39.9200 |
| Tariff Code | 2933399999 |
Safety & GHS
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Toxic
GHS06
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- EUH070 Toxic by eye contact
- H302 Harmful if swallowed
- H311 + H331 Toxic in contact with skin or if inhaled
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H372 Causes damage to organs through prolonged or repeated exposure
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+350 IF ON SKIN: Gently wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1-Hydroxy-2(1H)-pyridinethione, sodium salt
- 2-Mercaptopyridine 1-oxide sodium salt
- 2-Mercaptopyridine n-oxide sodium
- 2-Mercaptopyridine N-oxide sodium salt anhydrous
- 2-Pyridinethiol 1-Oxide Sodium Salt
- 2-Pyridinethiol, 1-oxide, sodium salt (1:1)
- Omadine sodium
- Prestwick_78
- sodium (1-oxidopyridin-1-ium-2-yl)sulfanide
- Sodium (2-pyridylthio)-N-oxide
Frequently asked questions
What is 2-Mercaptopyridine-N-oxide sodium salt used for?
It is primarily used as a ligand in coordination chemistry and as an intermediate in the synthesis of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight?
The formula is C5H4NNaOS with a molecular weight of 149.15 g/mol.
How should this compound be stored?
Store at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade is available?
Available in technical grade; custom purity options may be available upon request.
Can Molekula supply this in bulk?
Yes, Molekula can supply 2-Mercaptopyridine-N-oxide sodium salt in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.