Molekula
2-Hydroxypyridine-N-oxide
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-Hydroxypyridine-N-oxide is a heterocyclic organic compound used in pharmaceutical synthesis and as a ligand in coordination chemistry. It is a white to pale yellow crystalline solid with a molecular formula of C5H5NO2 and a molecular weight of 111.10 g/mol. It has a CAS number of 13161-30-3 and should be stored at ambient temperature. It is classified as a hazardous substance with a signal word of Danger. Molekula supplies 2-Hydroxypyridine-N-oxide 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.
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100 g — £68.40 per pack ex VAT · £82.08 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Off white/Pale yellow - Reddish yellow/Beige powder |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 100 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 10782942 |
| CAS Number | 13161-30-3 |
| IUPAC Name | 1-hydroxypyridin-2-one |
| EC Number | 212-506-0 |
| Molecular Formula | C5H5NO2 |
| Molecular Weight | 111.10 |
| Exact Mass | 111.032 |
| SMILES | C1=CC(=O)N(C=C1)O |
| InChIKey | SNUSZUYTMHKCPM-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H5NO2/c7-5-3-1-2-4-6(5)8/h1-4,8H |
| PubChem CID | 69975 |
| REACH Code | Y110 |
| HTS Code | 2933.39.92.00 |
| Tariff Code | 2933399940 |
Safety & GHS
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Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, 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
- P308+313 IF exposed or concerned: Get medical advice/attention
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-pyridone
- 1-hydroxy-2(1h)-pyridinone
- 1-hydroxy-2(1H)-pyridone
- 2-Hydroxypyridine 1-oxide
- 2-Pyridinol-1-oxide
- 2(1H)-Pyridinone, 1-hydroxy-
- Hydroxyl-2-pyridone
- Hydroxypyridinone
- N-hydroxy-2-pyridone
- N-Hydroxyl-2-pyridone
Frequently asked questions
What is 2-Hydroxypyridine-N-oxide used for?
It is primarily used as a reagent in organic synthesis, particularly in the formation of heterocyclic compounds and as a ligand in coordination chemistry.
What is the chemical formula and molecular weight?
The formula is C5H5NO2 with a molecular weight of 111.10 g/mol.
How should 2-Hydroxypyridine-N-oxide be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
Available in technical and research-grade forms; specific grades may vary based on order volume.
Can Molekula supply it in bulk?
Yes, Molekula can supply 2-Hydroxypyridine-N-oxide in bulk quantities upon request.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.