Intermediates

6-Chloropicolinic Acid

  • CAS No.4684-94-0
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 6-Chloropicolinic acid (CAS 4684-94-0), a key pyridine-based building block for advanced organic synthesis and pharmaceutical intermediates.

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Product Technical Details

Product Overview

6-Chloropicolinic acid is a versatile halogenated heterocyclic carboxylic acid widely employed as a critical intermediate in the synthesis of agrochemicals, pharmaceuticals, and specialty fine chemicals. With its reactive chlorine substituent at the 6-position and carboxylic acid functionality at the 2-position of the pyridine ring, it serves as a valuable scaffold for cross-coupling reactions, nucleophilic substitutions, and derivatization pathways in modern medicinal chemistry.

Specifications

Molecular FormulaC6H4ClNO2
Molecular Weight157.555 g/mol
CAS Number4684-94-0
AppearanceOff-white crystalline powder
Assay (Purity)≥98.0%
Melting Point190–191 °C
Boiling Point323.2 ± 22.0 °C at 760 mmHg
Density1.5 ± 0.1 g/cm³
Flash Point149.3 ± 22.3 °C
Vapor Pressure0.0 ± 0.7 mmHg at 25 °C
Refractive Index1.590

Industrial Applications

As a foundational intermediate in organic synthesis, 6-Chloropicolinic acid is extensively utilized in the development of active pharmaceutical ingredients (APIs), crop protection agents, and functional materials. Its structural features enable efficient transformation into bidentate ligands, metal-chelating agents, and bioactive molecules through well-established synthetic protocols.

  • Serves as a precursor for herbicides and plant growth regulators in agrochemical R&D
  • Enables construction of complex nitrogen-containing scaffolds in drug discovery
  • Compatible with palladium-catalyzed cross-coupling methodologies (e.g., Suzuki, Buchwald-Hartwig)
  • Supports scalable, cost-effective manufacturing under standard industrial conditions

Stored in a cool, dry, and well-ventilated area, this compound is typically supplied in 25 kg fiber drums or customized packaging to meet global regulatory and logistical requirements.