Molekula
2-Hydroxypyridine (2-Pyridinol)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2-Hydroxypyridine (2-Pyridinol) is a heterocyclic compound used in organic synthesis and as an intermediate in pharmaceutical and agrochemical production. It appears as a white to pale yellow crystalline solid. CAS: 142-08-5, Molecular Formula: C5H4NOH, Molecular Weight: 95.10 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies 2-Hydroxypyridine 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
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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100 g — $88.40 per pack
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1 kg — $532.40 per pack
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 beige to brown solid |
| Melting Point | 102 - 109°C |
| Assay | ≥ 96.5% |
| Water (KF) | ≤ 2.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 107.8 °C |
| Vapour Pressure | 0.55 mmHg |
Source: PubChem CID 8871 (Human Metabolome Database (HMDB), Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 20160171 |
| CAS Number | 142-08-5 |
| IUPAC Name | 1H-pyridin-2-one |
| EC Number | 205-520-3 |
| Molecular Formula | C5H4N(OH) |
| Molecular Weight | 95.10 |
| Exact Mass | 95.0371 |
| SMILES | C1=CC(=O)NC=C1 |
| InChIKey | UBQKCCHYAOITMY-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H5NO/c7-5-3-1-2-4-6-5/h1-4H,(H,6,7) |
| PubChem CID | 8871 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.79.08.00 |
| Tariff Code | 2933790090 |
Safety & GHS
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Toxic
GHS06
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- 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.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 2-Hydroxypyridine used for?
2-Hydroxypyridine is primarily used as an intermediate in the synthesis of pharmaceuticals and agrochemicals, and as a ligand in coordination chemistry.
What is the chemical formula and molecular weight of 2-Hydroxypyridine?
The formula is C5H4N(OH) and the molecular weight is 95.10 g/mol.
How should 2-Hydroxypyridine be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of 2-Hydroxypyridine does Molekula supply?
Molekula supplies 2-Hydroxypyridine in technical grade; custom purity levels may be available upon request.
Can Molekula supply 2-Hydroxypyridine in bulk?
Yes, Molekula can supply 2-Hydroxypyridine in bulk quantities—please contact us for pricing and availability.
What documentation comes with a purchase of 2-Hydroxypyridine?
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.