Description

Benzoic Acid, 4,4'-(Phenylimino)Bis- is a specialized organic compound belonging to the class of bis-benzoic acid derivatives. This chemical is valued for its role as a versatile intermediate and functional additive in advanced material synthesis. It is primarily sought by industries involved in polymer chemistry, specialty coatings, and the development of high-performance additives. The compound is identified by the CAS number 181188-86-3.

Application

• Polymer & Resin Intermediate: Acts as a key monomer or chain modifier in the synthesis of specialty polyesters, polyamides, and epoxy resins.
• UV Stabilizer & Light Absorber: Used in the formulation of coatings, plastics, and films to enhance resistance to photodegradation.
• Corrosion Inhibitor Precursor: Serves as a building block for creating high-efficiency corrosion inhibitors used in industrial fluids and coatings.
• Pharmaceutical Intermediate: Employed in the research and development of active pharmaceutical ingredients (APIs) and fine chemicals.
• Dye & Pigment Manufacturing: Functions as an intermediate in the synthesis of complex organic dyes and colorants.
• Adhesive & Sealant Formulations: Imparts specific chemical resistance and stability properties to high-performance adhesive systems.

Basic Information

Product Name	Benzoic Acid, 4,4'-(Phenylimino)Bis-
CAS No.	181188-86-3
Molecular Formula	C20H15NO4
Molecular Weight	333.34 g/mol
Synonyms	4,4'-(Phenylimino)dibenzoic acid; 4,4'-[(Phenylimino)bis]benzoic acid; Bis(4-carboxyphenyl)phenylimine; N-Phenylbis(4-carboxyphenyl)amine; 4-Carboxy-N-(4-carboxyphenyl)benzenamine; [4-(Phenylamino)phenyl]benzoic acid derivative
EINECS	Contact for details

Quality Control

Our Benzoic Acid, 4,4'-(Phenylimino)Bis- is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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