Description

5-Chloro-2-Hydroxypyridine is a versatile heterocyclic building block and key intermediate in organic synthesis. This compound is valued for its unique chemical structure, which allows for selective functionalization at multiple reactive sites. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and novel compounds. Its role as a precursor is critical for synthesizing more complex molecules with targeted biological or material properties.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), particularly in antiviral and antibacterial drug discovery.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Precursor: Serves as a starting material for creating complex ligands used in transition metal catalysis and coordination chemistry.
• Material Science Research: Employed in the synthesis of organic electronic materials, dyes, and photoactive compounds.
• Chemical Research & Development: A fundamental building block for constructing diverse pyridine-based heterocycles in academic and industrial R&D labs.

Basic Information

Product Name	5-Chloro-2-Hydroxypyridine
CAS No.	4217-79-3
Molecular Formula	C5H4ClNO
Molecular Weight	129.55 g/mol
Synonyms	2-Hydroxy-5-chloropyridine; 5-Chloro-2-pyridinol; 5-Chloro-2(1H)-pyridinone; 5-Chloro-2-pyridone; 2-Pyridinol, 5-chloro-; 5-Chloro-1H-pyridin-2-one; 5-Chloro-2-oxo-1,2-dihydropyridine
EINECS	224-163-3

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch is analyzed to confirm identity, purity, and impurity profiles. Certificates of Analysis (COA) detailing specific results for parameters such as assay, related substances, and residual solvents are available upon request. We adhere to strict quality management protocols to ensure batch-to-batch consistency and reliability for your critical synthesis workflows.

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 strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 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.