3-Hydroxy-6-methylpyridine
Also known as: 6-Methyl-3-pyridinol, 5-Hydroxy-2-methylpyridine, 5-Hydroxy-2-picoline, 2-Methyl-5-hydroxypyridine, 6-Methylpyridin-3-ol, 3-Pyridinol, 6-methyl-
3-Hydroxy-6-methylpyridine (CAS 1121-78-4) 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 168-170 °C(lit.), a boiling point of 295.8±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 132.7±21.8 °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.
- 1121-78-4
- Jingsj CID
- J-20965-4
- 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 | 168-170 °C(lit.) |
|---|---|
| Boiling Point | 295.8±20.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 132.7±21.8 °C |
| Exact Mass | 109.052765 |
| PSA | 33.12000 |
| LogP | 1.10 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.551 |
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-Hydroxy-6-methylpyridine?
The CAS number of 3-Hydroxy-6-methylpyridine is 1121-78-4.
What are the molecular formula and molecular weight of 3-Hydroxy-6-methylpyridine?
3-Hydroxy-6-methylpyridine has molecular formula C6H7NO and molecular weight 109.126 g/mol.
Is 3-Hydroxy-6-methylpyridine hazardous?
3-Hydroxy-6-methylpyridine 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-Hydroxy-6-methylpyridine?
For 3-Hydroxy-6-methylpyridine, Upstream Products: 5-Bromo-2-methylpyridine, 6-Methylpyridine-3-sulfonic acid, 5-Methylfurfural; Downstream Products: 2-chloro-6-methylpyridin-3-ol, 2-Methoxy-N-[(2E)-3-[4-[[3-methyl-4-[(6-methyl-3-pyridinyl)oxy]phenyl]amino]-6-quinazolinyl]-2-propen-1-yl]acetamide, 6-bromo-5-methoxypicolinic acid.
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-Hydroxy-6-methylpyridine (CAS 1121-78-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20965-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.