2,3-Dihydroxypyridine
Also known as: 2,3-Pyridinediol, 3-Hydroxy-2(1H)-pyridone, 3-Hydroxypyridin-2(1H)-one, Pyridine-2,3-diol, 2(1H)-Pyridinone, 3-hydroxy-, 2(1H)-Pyridone, 3-hydroxy-, 3-hydroxy-2(1H)-pyridinone
2,3-Dihydroxypyridine (CAS 16867-04-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5NO2 and a molecular weight of 111.099 g/mol. Key properties include a melting point of 245 °C (dec.)(lit.), a boiling point of 441.4±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 220.8±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16867-04-2
- Jingsj CID
- J-1965882-3
- Molecular Formula
- C5H5NO2
- Molecular Weight
- 111.099 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 245 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 441.4±25.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 220.8±23.2 °C |
| Exact Mass | 111.032028 |
| PSA | 53.35000 |
| LogP | -0.60 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.625 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2,3-Dihydroxypyridine?
The CAS number of 2,3-Dihydroxypyridine is 16867-04-2.
What are the molecular formula and molecular weight of 2,3-Dihydroxypyridine?
2,3-Dihydroxypyridine has molecular formula C5H5NO2 and molecular weight 111.099 g/mol.
What are the upstream and downstream products of 2,3-Dihydroxypyridine?
For 2,3-Dihydroxypyridine, Upstream Products: Furfural, (acetyloxy)(2-furyl)methyl acetate, 3-Hydroxypyridine; Downstream Products: 1-Benzyl-2,3-piperidinedione, 3-Amino-2(1H)-pyridinone, 3-Methoxy-5-nitropyridin-2(1H)-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dihydroxypyridine (CAS 16867-04-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1965882-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.