Description

n-Benzanilide-4,4'-Dicarboxylic Acid is a high-purity aromatic dicarboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its bifunctional structure provides a versatile platform for creating polymers and specialty chemicals with tailored properties. This compound is essential for research and development in the pharmaceutical, agrochemical, and high-performance materials industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring rigid, aromatic linkers.
• Polymer Chemistry: Monomer for the production of specialty polyamides, polyesters, and polyimides, contributing to thermal stability and mechanical strength.
• Liquid Crystal & OLED Materials: Used in the synthesis of organic semiconductors and liquid crystal display (LCD) components due to its planar, conjugated structure.
• Agrochemical Synthesis: Building block for developing advanced herbicides, fungicides, and plant growth regulators.
• Metal-Organic Frameworks (MOFs): Organic linker for constructing porous coordination polymers with applications in gas storage and catalysis.
• Dye & Pigment Manufacturing: Intermediate in the production of complex organic dyes and high-performance pigments.
• Cross-linking Agent: Utilized in epoxy resin systems and other thermosetting polymers to enhance network density and performance.
• Research & Development: Serves as a standard or reagent in academic and industrial R&D for novel material discovery.

Basic Information

Product Name	n-Benzanilide-4,4'-Dicarboxylic Acid
CAS No.	56419-89-7
Molecular Formula	C21H15NO5
Molecular Weight	361.35 g/mol
Synonyms	4,4'-Dicarboxybenzanilide; Benzanilide-4,4'-dicarboxylic Acid; N-(4-Carboxyphenyl)-4-carboxybenzamide; 4-Carboxy-N-(4-carboxyphenyl)benzamide; [1,1'-Biphenyl]-4,4'-dicarboxamide, N-phenyl-; p-Benzoylamino-p'-benzoic Acid; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our n-Benzanilide-4,4'-Dicarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%

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