Molekula
Pyridine-2,5-diol
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
Pyridine-2,5-diol is an organic heterocyclic compound featuring a pyridine ring with hydroxyl groups at the 2 and 5 positions, primarily used as a precursor in pharmaceutical synthesis, agrochemicals, and specialty polymer production. It appears as a white to off-white crystalline solid with a mild odor. CAS 5154-01-8, molecular formula C5H5NO2, molecular weight 111.1 g/mol. Store at ambient conditions in a tightly sealed container. Signal word: Warning. Molekula supplies Pyridine-2,5-diol 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 156 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90035170 |
| CAS Number | 5154-01-8 |
| IUPAC Name | 5-hydroxy-1H-pyridin-2-one |
| Molecular Formula | C5H5NO2 |
| Molecular Weight | 111.1 |
| Exact Mass | 111.032 |
| SMILES | C1=CC(=O)NC=C1O |
| InChIKey | CHGPEDOMXOLANF-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H5NO2/c7-4-1-2-5(8)6-3-4/h1-3,7H,(H,6,8) |
| PubChem CID | 99456 |
| REACH Code | Y110 |
| HTS Code | 2933399200 |
| Tariff Code | 2933399999 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+352 IF ON SKIN: 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
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 2,5-Dhpy
- 2,5-Dihydroxypyridine
- 2,5-Pyridinediol
- 2(1H)-Pyridinone, 5-hydroxy-
- 5-hydroxy-1,2-dihydropyridin-2-one
- 5-hydroxy-1H-pyridin-2-one
- 5-Hydroxy-2-pyridone
- 5-Hydroxy-2(1H)-pyridinone
- 5-Hydroxypyridin-2(1H)-one
- 5-oxidanyl-1H-pyridin-2-one
Frequently asked questions
What is pyridine-2,5-diol commonly used for?
Pyridine-2,5-diol is primarily used as a precursor in organic synthesis, including the production of pharmaceuticals, agrochemicals, and specialty chemicals like ligands for metal catalysis.
What is the molecular formula and molecular weight of pyridine-2,5-diol?
The molecular formula is C₅H₅NO₂, and the molecular weight is 111.1 g/mol.
How should pyridine-2,5-diol be stored?
Store at ambient temperature in a tightly sealed container, away from moisture and incompatible substances.
What grades of pyridine-2,5-diol does Molekula supply?
Molekula supplies pyridine-2,5-diol as a solid, suitable for research and development applications. Contact Molekula for current grade and purity details.
Can Molekula supply pyridine-2,5-diol in bulk quantities?
Yes, Molekula can provide bulk quantities of pyridine-2,5-diol upon request, depending on availability.
What documentation comes with an order of pyridine-2,5-diol?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and Safety Data Sheet (SDS).
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.