2-Aminopyridin-4-ol
Also known as: 2-Amino-4-hydroxypyridine, 4-Hydroxy-2-aminopyridine, 2-Aminopyridin-4-ol, 4-Pyridinol, 2-amino-
2-Aminopyridin-4-ol (CAS 33631-05-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O and a molecular weight of 110.114 g/mol. Key properties include a boiling point of 508.9±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 261.6±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33631-05-9
- Jingsj CID
- J-1152355-0
- Molecular Formula
- C5H6N2O
- Molecular Weight
- 110.114 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 508.9±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 261.6±25.9 °C |
| Exact Mass | 110.048012 |
| PSA | 59.14000 |
| LogP | -1.80 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.651 |
| Storage Conditions | Room temperature. |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H318 — Causes serious eye damage
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-Aminopyridin-4-ol?
The CAS number of 2-Aminopyridin-4-ol is 33631-05-9.
What are the molecular formula and molecular weight of 2-Aminopyridin-4-ol?
2-Aminopyridin-4-ol has molecular formula C5H6N2O and molecular weight 110.114 g/mol.
Is 2-Aminopyridin-4-ol hazardous?
2-Aminopyridin-4-ol has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.
What are the upstream and downstream products of 2-Aminopyridin-4-ol?
For 2-Aminopyridin-4-ol, Upstream Products: 2-Amino-4-chloropyridine.
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-Aminopyridin-4-ol (CAS 33631-05-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1152355-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.