Description

3,5,6-Trichloropicolinic Acid is a halogenated derivative of picolinic acid, serving as a key advanced intermediate in the synthesis of complex agrochemicals and pharmaceuticals. Its value lies in its unique chlorinated pyridine structure, which provides a versatile scaffold for constructing molecules with targeted biological activity. This compound is primarily needed by research and development chemists, process development teams, and manufacturers in the agrochemical and pharmaceutical industries.

Application

• Agrochemical Intermediate: A crucial building block for the synthesis of modern herbicides and plant growth regulators.
• Pharmaceutical Synthesis: Used in the research and development of active pharmaceutical ingredients (APIs), particularly those requiring a functionalized pyridine core.
• Chemical Research: Serves as a versatile reagent in organic synthesis for introducing the trichloropicolinoyl moiety into target molecules.
• Specialty Chemical Production: Employed in the manufacture of dyes, pigments, and other performance chemicals where its specific halogenation pattern is beneficial.

Basic Information

Product Name	3,5,6-Trichloropicolinic Acid
CAS No.	40360-44-9
Molecular Formula	C6H2Cl3NO2
Molecular Weight	226.45 g/mol
Synonyms	3,5,6-Trichloro-2-pyridinecarboxylic acid; 3,5,6-Trichloropyridine-2-carboxylic acid; 2-Pyridinecarboxylic acid, 3,5,6-trichloro-; TPA (abbreviation); Picloram intermediate; Picolinic acid, 3,5,6-trichloro-
EINECS	254-896-7

Quality Control

Our 3,5,6-Trichloropicolinic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.