Description

4,4'-Diacetamidodiphenylmethane is a high-purity organic chemical intermediate of significant industrial importance. Its value lies in its role as a versatile precursor in the synthesis of advanced polymers and specialty chemicals. This product is essential for manufacturers in the polymer, pharmaceutical, and fine chemical industries seeking reliable and consistent raw materials for their production processes.

Application

• Key intermediate in the synthesis of high-performance polyurethane elastomers and coatings.
• Precursor for the production of specialized epoxy resin hardeners and curing agents.
• Building block in pharmaceutical synthesis for active pharmaceutical ingredients (APIs).
• Used in the manufacture of dyes, pigments, and other colorants.
• Intermediate for liquid crystal polymers (LCPs) and other advanced engineering plastics.
• Research and development chemical in academic and industrial laboratories.

Basic Information

Product Name	4,4'-Diacetamidodiphenylmethane
CAS No.	2719-05-3
Molecular Formula	C17H18N2O2
Molecular Weight	282.34 g/mol
Synonyms	Bis(4-acetamidophenyl)methane; N,N'-(Methylenedi-4,1-phenylene)diacetamide; 4,4'-Methylenebis(acetamilide); MDA; Diacetyl Diaminodiphenylmethane; DADPM; 4,4'-Methylenebis(N-acetylaniline); 4,4'-Diacetyldiaminodiphenylmethane
EINECS	220-317-8

Quality Control

Our 4,4'-Diacetamidodiphenylmethane is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the high standards required for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	162 - 167 °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.