Description

3,4,5,6-Tetrachloropyridazine is a halogenated heterocyclic compound that serves as a versatile and critical building block in advanced organic synthesis. Its value lies in its role as a key precursor for the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. This high-purity intermediate is essential for researchers and manufacturers developing active ingredients, specialty chemicals, and functional materials where precise chlorination patterns are required.

Application

• Pharmaceutical Intermediate: A crucial synthon for the synthesis of novel drug candidates, particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, leveraging its halogenated pyridazine core.
• Chemical Research & Development: Serves as a fundamental building block for creating complex heterocyclic compounds and ligands in academic and industrial R&D.
• Material Science Precursor: Employed in the synthesis of specialty polymers and functional materials that require specific halogenated aromatic structures.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of specialized colorants and pigments.

Basic Information

Product Name	3,4,5,6-Tetrachloropyridazine
CAS No.	20074-67-3
Molecular Formula	C4Cl4N2
Molecular Weight	231.87 g/mol
Synonyms	Pyridazine, 3,4,5,6-tetrachloro-; Tetrachloropyridazine; 3,4,5,6-Tetrachloro-1,2-diazine; 1,2-Diazine, 3,4,5,6-tetrachloro-; NSC 402124; s-Tetrachloropyridazine
EINECS	243-521-4

Quality Control

Our 3,4,5,6-Tetrachloropyridazine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including HPLC, GC, and NMR, to verify identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 heat, sparks, and open flame. Ensure the container is kept upright to prevent leakage.

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 (as Pb)	≤ 20 ppm

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