Description

n-(4-Carboxyphenyl)Phthalimide is a high-purity, versatile organic intermediate characterized by its distinct aromatic and imide functional groups. This compound is critical for synthesizing advanced materials and active pharmaceutical ingredients (APIs) where precise molecular architecture is required. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs) and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides and plant growth regulators.
• Polymer & Material Science: Serves as a monomer or additive for creating high-performance polyimides, epoxy resins, and other specialty polymers with enhanced thermal stability.
• Liquid Crystal & OLED Materials: Acts as a core component in the development of organic electronic materials for displays and lighting.
• Dye & Pigment Manufacturing: Employed in the synthesis of complex organic colorants and photostable pigments.
• Cross-linking Agent: Utilized to modify and improve the mechanical properties of coatings and adhesives.
• Research & Development: A valuable reagent in organic chemistry research for constructing complex heterocyclic compounds.

Basic Information

Product Name	n-(4-Carboxyphenyl)Phthalimide
CAS No.	5383-82-4
Molecular Formula	C15H9NO4
Molecular Weight	267.24 g/mol
Synonyms	4-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)benzoic acid; 2-(4-Carboxyphenyl)isoindoline-1,3-dione; 4-Phthalimidobenzoic acid; N-(p-Carboxyphenyl)phthalimide; p-Phthalimidobenzoic Acid; 4-(1,3-Dioxoisoindolin-2-yl)benzoic Acid; Benzoic acid, 4-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-
EINECS	226-355-4

Quality Control

Our n-(4-Carboxyphenyl)Phthalimide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment supports compliance with cGMP and ICH guidelines for pharmaceutical applications.

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). Keep away from strong acids and organic solvents. The container must be kept tightly closed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Melting Point	285 - 295 °C
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.