3-Hydroxy-2-methylpyridine

Also known as: 2-Methyl-3-pyridinol, 2-Methyl-3-hydroxypyridine, 2-Methylpyridin-3-ol, 3-Hydroxy-2-picoline, 2-Methyl-3-pyridinol

3-Hydroxy-2-methylpyridine (CAS 1121-25-1) 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 109.126 g/mol. Key properties include a melting point of 168-169 °C(lit.), a boiling point of 287.1±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 127.4±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.: 1121-25-1
Jingsj CID: J-9904-7
Molecular Formula: C₆H₇NO
Molecular Weight: 109.126 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	168-169 °C(lit.)
Boiling Point	287.1±20.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	127.4±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

Corrosion / IrritantSignal word: Danger

H302 — Harmful if swallowed
H315 — Causes skin irritation
H318 — Causes serious eye damage
H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information	[1]. Gottfried Ziegleder, et al. Composition of flavor extracts of raw and roasted cocoas. Zeitschrift für Lebensmittel-Untersuchung und Forschung volume 192, pages521–525(1991). [2]. S M Bromidge, et al. 1-[2-[(Heteroaryloxy)heteroaryl]carbamoyl]indolines: novel and selective 5-HT2C receptor inverse agonists with potential as antidepressant/anxiolytic agents. Bioorg Med Chem Lett. 2000 Aug 21;10(16):1863-6.

Additional Information

[1]. Gottfried Ziegleder, et al. Composition of flavor extracts of raw and roasted cocoas. Zeitschrift für Lebensmittel-Untersuchung und Forschung volume 192, pages521–525(1991). [2]. S M Bromidge, et al. 1-[2-[(Heteroaryloxy)heteroaryl]carbamoyl]indolines: novel and selective 5-HT2C receptor inverse agonists with potential as antidepressant/anxiolytic agents. Bioorg Med Chem Lett. 2000 Aug 21;10(16):1863-6.

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-2-methylpyridine?

The CAS number of 3-Hydroxy-2-methylpyridine is 1121-25-1.

What are the molecular formula and molecular weight of 3-Hydroxy-2-methylpyridine?

3-Hydroxy-2-methylpyridine has molecular formula C6H7NO and molecular weight 109.126 g/mol.

Is 3-Hydroxy-2-methylpyridine hazardous?

3-Hydroxy-2-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-2-methylpyridine?

For 3-Hydroxy-2-methylpyridine, Upstream Products: 1-(Furan-2-yl)ethanone, 2-Methylpyridine, 2-((Dimethylamino)methyl)pyridin-3-ol; Downstream Products: 2-Methyl-3-phenylpyridine, 2-methyl-3-((5-nitropyridin-2-yl)oxy)pyridine, 4,6-dibromo-2-methylpyridin-3-ol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3-Hydroxy-2-methylpyridine (CAS 1121-25-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9904-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.