Description

Pyridazin-4(1H)-One Hydrochloride is a heterocyclic organic compound and a key pharmaceutical intermediate. This high-purity building block is essential for the synthesis of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing new therapeutic and crop protection agents.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the development and production of advanced herbicides, fungicides, and insecticides.
• Fine Chemical Production: Serves as a specialized precursor in the manufacture of complex organic molecules for various industrial applications.
• Biochemical Research: Employed in life science laboratories as a reagent for studying biological pathways and enzyme interactions.
• Material Science: Investigated as a monomer or additive for creating polymers with specific electronic or optical properties.

Basic Information

Product Name	Pyridazin-4(1H)-One Hydrochloride
CAS No.	116008-72-1
Molecular Formula	C4H5ClN2O
Molecular Weight	132.55 g/mol
Synonyms	4(1H)-Pyridazinone Hydrochloride; 1H-Pyridazin-4-one, Hydrochloride; 4-Hydroxypyridazine Hydrochloride; 4-Pyridazinone Hydrochloride; 4-Oxopyridazine Hydrochloride; 1,2-Diazin-4-ol Hydrochloride; 4-Pyridazinol Hydrochloride
EINECS	Contact for details

Quality Control

Our Pyridazin-4(1H)-One Hydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis to ensure it meets the high standards required for pharmaceutical and agrochemical synthesis. Certificates of Analysis (COA) documenting all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and away from direct light to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
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.