Description

Phthalazine CAS NO 253-52-1 is a nitrogen-containing heterocyclic compound that serves as a versatile and critical building block in advanced chemical synthesis. Its fused aromatic structure makes it a valuable precursor for the development of pharmaceuticals, agrochemicals, and functional materials. This high-purity intermediate is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of various active pharmaceutical ingredients (APIs), particularly those with fused heterocyclic structures.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, leveraging its heterocyclic core for biological activity.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for electron-transport materials and host materials in OLED device fabrication.
• Coordination Chemistry & Ligand Design: Serves as a chelating ligand for metal complexes used in catalysis and materials science.
• Dye and Pigment Manufacturing: Utilized as a starting material for the synthesis of specialized dyes and organic pigments.
• Research & Development: A fundamental compound for academic and industrial R&D in medicinal chemistry and material science.

Basic Information

Product Name	Phthalazine
CAS No.	253-52-1
Molecular Formula	C8H6N2
Molecular Weight	130.15 g/mol
Synonyms	2,3-Diazanaphthalene; Benzo[d]pyridazine; Phthalazone (reduced form); 1,2-Diazanaphthalene; Isobenzopyridazine; NSC 404058; 1,4-Diaza-2,3-benzanthracene (obsolete); Phthalazin
EINECS	205-977-4

Quality Control

Our Phthalazine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive quality documentation, including detailed Certificates of Analysis (COA) for each lot, which specify purity, identity, and impurity profiles. Our standard grade meets typical research and industrial specifications, and we can support development against custom purity requirements for specific applications.

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. The container should be kept tightly sealed to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	90 - 94 °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.