Description

Phthalazine is a versatile nitrogen-containing heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its unique fused-ring 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, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with fused heterocyclic structures for therapeutic applications.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport materials and host materials in OLED displays and lighting.
• Coordination Chemistry & Ligand Design: Acts as a bidentate ligand for metal complexes in catalysis and material science research.
• Dye and Pigment Manufacturing: Intermediate in the production of specialized dyes and pigments due to its aromatic character.
• Academic & Industrial Research: Fundamental scaffold in medicinal chemistry and material science for exploring new chemical entities and properties.

Basic Information

Product Name	Phthalazine
CAS No.	53-52-1
Molecular Formula	C8H6N2
Molecular Weight	130.15 g/mol
Synonyms	2,3-Diazanaphthalene; 2,3-Benzodiazine; Benzo[d]pyridazine; Phthalazone (reduced form); 1,2-Diazanaphthalene; Isoquinazoline (tautomer); 1,4-Diazaanthracene (isomer reference); Phthalazin
EINECS	200-180-8

Quality Control

Our Phthalazine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, GC for residual solvents, and spectroscopic identification (IR, NMR). We provide Certificates of Analysis (COA) with every shipment to ensure traceability and compliance with your research or production specifications. Our quality commitment supports applications requiring high-purity intermediates for sensitive syntheses.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.