3-Methyl-2-pyridone
Also known as: 3-Methylpyridin-2(1H)-one, 3-Methyl-1,2-dihydropyridin-2-one, 2-Hydroxy-3-methylpyridine, 3-Methylpyridin-2-ol, 3-Methyl-2-pyridinol, AKOS BBS-00002968, EINECS 213-710-2, MFCD00039704
3-Methyl-2-pyridone (CAS 1003-56-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7NO and a molecular weight of 109.12600 g/mol. Key properties include a melting point of 139-141 °C, a boiling point of 307.4ºC at 760 mmHg, a density of 1.053 g/cm3 and a flash point of 172.7ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1003-56-1
- Jingsj CID
- J-1498394-9
- Molecular Formula
- C6H7NO
- Molecular Weight
- 109.12600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 139-141 °C |
|---|---|
| Boiling Point | 307.4ºC at 760 mmHg |
| Density | 1.053 g/cm3 |
| Flash Point | 172.7ºC |
| Exact Mass | 109.05300 |
| PSA | 33.12000 |
| LogP | 1.09560 |
| Vapor Pressure | 0.000724mmHg at 25°C |
| Refractive Index | 1.499 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
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 3-Methyl-2-pyridone?
The CAS number of 3-Methyl-2-pyridone is 1003-56-1.
What are the molecular formula and molecular weight of 3-Methyl-2-pyridone?
3-Methyl-2-pyridone has molecular formula C6H7NO and molecular weight 109.12600 g/mol.
Is 3-Methyl-2-pyridone hazardous?
3-Methyl-2-pyridone has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 3-Methyl-2-pyridone?
For 3-Methyl-2-pyridone, Upstream Products: Sorbic acid, 3-Methylpyridine, 2-Fluoro-3-methylpyridine; Downstream Products: 2-Bromo-3-methylpyridine, 5-chloro-3-methylpyridin-2-ol, 3-Methyl-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. "3-Methyl-2-pyridone (CAS 1003-56-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498394-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.