Description

n-Phenylphthalimide (CAS NO 520-03-6) is a versatile and high-purity organic intermediate of significant industrial importance. This compound serves as a critical building block in the synthesis of advanced materials and fine chemicals, valued for its stable imide structure and aromatic functionality. It is primarily sought after by manufacturers in the agrochemical, pharmaceutical, and polymer industries for the development of high-performance products.

Application

• Agrochemical Intermediates: A key precursor in the synthesis of certain herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Synthesis: Used as a building block for active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Polymer & Material Science: Acts as a monomer or additive in the production of high-temperature resistant polyimides, epoxy curing agents, and specialty polymers.
• Dye & Pigment Manufacturing: Employed in the synthesis of organic pigments and colorants.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex heterocyclic compounds.
• Lubricant & Fuel Additives: Used in the formulation of performance-enhancing additives.

Basic Information

Product Name	n-Phenylphthalimide
CAS No.	520-03-6
Molecular Formula	C14H9NO2
Molecular Weight	223.23 g/mol
Synonyms	N-Phenylphthalimide; Phthalimide, N-phenyl-; 2-Phenylisoindoline-1,3-dione; N-Phenyl-1,3-isoindolinedione; Phenylphthalimide; 1H-Isoindole-1,3(2H)-dione, 2-phenyl-; NSC 403697
EINECS	208-291-6

Quality Control

Our n-Phenylphthalimide is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and research applications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	208°C - 212°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.