4-Methylpyridine

CAS Number

108-89-4

Molecular Formula

C₆H₇N

Also known as:

4-Methylpyridine; 4-Picoline; p-Picoline; 4-methyl-pyridine

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Product Description

4-Methylpyridine (4-picoline) is an aromatic heterocycle used commercially as a solvent, building block and intermediate in the manufacture of agrochemicals, pharmaceuticals, dyes, and specialty chemicals. It is supplied in industrial and reagent grades with controlled impurity profiles and documented lot COA for process qualification.

Application

  • Pharmaceutical intermediate
    Building block in synthesis of active pharmaceutical intermediates and heterocyclic APIs.
  • Agrochemical intermediate
    Key intermediate in the manufacture of herbicides, insecticides and related actives.
  • Solvent and process reagent
    Solvent/modifier for formulations, extraction and reaction media where pyridine-type solvency is required.
  • Dye & pigment intermediate
    Intermediate for heterocyclic dye and pigment chemistries requiring pyridine precursors.
  • Catalyst ligand and chemical research reagent
    Used as a ligand precursor and reagent in catalyst development and laboratory research.

Technical Parameters

Parameter Value
Assay ≥ 98.0%
Appearance Clear, colourless to pale yellow liquid
Water (KF) ≤ 0.1–0.5%
Boiling point ≈ 144–146 °C
Density ≈ 0.96–0.98 g·cm⁻³
Flash point ≈ 34–40 °C

Quick Information

EINECS 203-603-1
Molecular Weight 93.13 g/mol

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