Description

4-Hydroxynicotinic Acid is a versatile pyridine derivative and a key organic intermediate. This compound is valued for its bifunctional chemical structure, featuring both a carboxylic acid and a hydroxyl group on the pyridine ring, which makes it a valuable synthon for complex molecule construction. It is primarily utilized in the pharmaceutical, agrochemical, and fine chemical industries for research and development, as well as in the synthesis of active pharmaceutical ingredients (APIs) and specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various drug candidates, particularly those targeting metabolic and neurological pathways.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Ligand and Chelating Agent: Serves as a precursor for creating complexing agents and ligands in coordination chemistry and catalysis.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other specialty organic compounds.
• Biochemical Research: Used as a standard or reagent in enzymatic studies and metabolic research due to its structural similarity to nicotinic acid.
• Material Science: Investigated as a monomer or additive for the synthesis of functional polymers and advanced materials.

Basic Information

Item	Detail
Product Name	4-Hydroxynicotinic Acid
CAS No.	609-70-1
Molecular Formula	C6H5NO3
Molecular Weight	139.11 g/mol
Synonyms	4-Pyridinol-3-carboxylic Acid; 3-Carboxy-4-hydroxypyridine; 4-Hydroxy-3-pyridinecarboxylic Acid; Isonicotinic Acid, 4-hydroxy-; 4-Hydroxypyridine-3-carboxylic Acid; Vitamin B6 related compound
EINECS	210-200-9

Quality Control

Our 4-Hydroxynicotinic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a Certificate of Analysis (COA) with key parameters including assay, related substances, and residual solvents. Our quality commitment ensures the material is suitable for demanding applications in pharmaceutical research and fine chemical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and organic solvents. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Heavy Metals	≤ 20 ppm

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