3-Methylpyridine-2-carboxylic acid

3-甲基-2-吡啶甲酸

Also known as: 3-Methylpicolinic acid, 3-Methyl-2-picolinic acid, 3-Methyl-2-pyridinecarboxylic acid, 2-Pyridinecarboxylic acid, 3-methyl-

3-Methylpyridine-2-carboxylic acid (CAS 4021-07-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7NO2 and a molecular weight of 137.136 g/mol. It is also known as 3-Methylpicolinic acid, 3-Methyl-2-picolinic acid and 3-Methyl-2-pyridinecarboxylic acid. Key properties include a melting point of 114-118 °C, a boiling point of 300.6±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 135.6±22.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4021-07-2
Jingsj CID
J-1180813-2
Molecular Formula
C7H7NO2
Chinese Name
3-甲基-2-吡啶甲酸
Molecular Weight
137.136 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point114-118 °C
Boiling Point300.6±22.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point135.6±22.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-Methylpyridine-2-carboxylic acid?

The CAS number of 3-Methylpyridine-2-carboxylic acid is 4021-07-2.

What are the molecular formula and molecular weight of 3-Methylpyridine-2-carboxylic acid?

3-Methylpyridine-2-carboxylic acid has molecular formula C7H7NO2 and molecular weight 137.136 g/mol.

Is 3-Methylpyridine-2-carboxylic acid hazardous?

3-Methylpyridine-2-carboxylic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3-Methylpyridine-2-carboxylic acid (CAS 4021-07-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1180813-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.