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 2000 · 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.
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 **reagent-grade** pyridine-2,5-diol, suitable for research and development applications.
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.