Description

2,3,5-Trichloro-4-Pyridinol CAS NO 1970-40-7 is a halogenated pyridine derivative that serves as a versatile and critical synthetic intermediate in advanced organic chemistry. Its unique substitution pattern makes it a valuable building block for constructing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and agrochemicals. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific chlorinated pyridine motifs into their target structures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly for antimicrobial and antiviral agents.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides where the trichloropyridinol core provides specific bioactivity.
• Chemical Research & Development: A crucial reagent in academic and industrial R&D for exploring new heterocyclic compounds and reaction pathways.
• Specialty Chemical Manufacturing: Serves as a precursor for dyes, pigments, and other performance chemicals requiring a stable, halogenated aromatic system.
• Material Science: Potential intermediate in the synthesis of ligands for catalysts or monomers for specialized polymers.

Basic Information

Product Name	2,3,5-Trichloro-4-Pyridinol
CAS No.	1970-40-7
Molecular Formula	C5H2Cl3NO
Molecular Weight	198.43 g/mol
Synonyms	4-Pyridinol, 2,3,5-trichloro-; 2,3,5-Trichloro-4-hydroxypyridine; 2,3,5-Trichloropyridin-4-ol; 4-Hydroxy-2,3,5-trichloropyridine; NSC 403625
EINECS	217-816-9

Quality Control

Our 2,3,5-Trichloro-4-Pyridinol is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting standards for use in sensitive synthetic applications. Certificates of Analysis (COA) detailing all specifications are provided with each shipment and are available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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