5-Methyl-2(1H)-pyridinone
Also known as: 2-Hydroxy-5-methylpyridine, 2-Hydroxy-5-picoline, 5-Methyl-2-pyridinol, 5-Methyl-2(1H)pyridinone, 5-Methylpyridin-2-ol, 5-Methylpyridine-2-one, 6-Hydroxy-3-picoline, 5-Methyl-2-pyridone, 5-Methyl-1,2-dihydropyridin-2-one
5-Methyl-2(1H)-pyridinone (CAS 1003-68-5) 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 109.126 g/mol. Key properties include a melting point of 183-187 °C(lit.), a boiling point of 304.2±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 170.6±5.3 °C. 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.
- 1003-68-5
- Jingsj CID
- J-49423-5
- Molecular Formula
- C6H7NO
- Molecular Weight
- 109.126 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 183-187 °C(lit.) |
|---|---|
| Boiling Point | 304.2±15.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 170.6±5.3 °C |
| Exact Mass | 109.052765 |
| PSA | 32.86000 |
| LogP | 0.01 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.500 |
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 5-Methyl-2(1H)-pyridinone?
The CAS number of 5-Methyl-2(1H)-pyridinone is 1003-68-5.
What are the molecular formula and molecular weight of 5-Methyl-2(1H)-pyridinone?
5-Methyl-2(1H)-pyridinone has molecular formula C6H7NO and molecular weight 109.126 g/mol.
Is 5-Methyl-2(1H)-pyridinone hazardous?
5-Methyl-2(1H)-pyridinone 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 5-Methyl-2(1H)-pyridinone?
For 5-Methyl-2(1H)-pyridinone, Upstream Products: 3-Methylpyridine, 2-Amino-5-methylpyridine, 2-Fluoro-5-methylpyridine; Downstream Products: 2-Bromo-5-methylpyridine, 2,2'-Bipyridine-5,5'-dicarboxylic acid, 5-Methylpyridine-2(1H)-thione.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methyl-2(1H)-pyridinone (CAS 1003-68-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49423-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.