Description

4,4'-Methylene Bis(2-Chloroaniline) is a high-purity aromatic amine derivative, primarily recognized as a key chemical intermediate. Its value lies in its role as a precursor in the synthesis of specialized polymers and high-performance materials, where its molecular structure imparts critical properties. This product is essential for manufacturers in the polyurethane, epoxy resin, and specialty chemical industries seeking reliable, consistent raw materials for their production processes.

Application

• Primary intermediate in the production of methylene bis(ortho-chloroaniline) (MOCA) and related polyurethane curing agents.
• Key building block for high-performance elastomers and castable polyurethane products requiring excellent physical properties.
• Used in the synthesis of specialized epoxy resin hardeners and cross-linking agents.
• Intermediate for dyes, pigments, and other complex organic compounds in the fine chemicals sector.
• Research and development of novel polymeric materials in industrial and academic laboratories.
• Potential use in the manufacture of corrosion-resistant coatings and adhesives.

Basic Information

Product Name	4,4'-Methylene Bis(2-Chloroaniline)
CAS No.	101-14-4
Molecular Formula	C13H12Cl2N2
Molecular Weight	267.16 g/mol
Synonyms	MBOCA; 4,4'-Methylenebis(2-chlorobenzenamine); 3,3'-Dichloro-4,4'-diaminodiphenylmethane; Bis(3-chloro-4-aminophenyl)methane; Methylene-bis-ortho-chloroaniline; DACPM; Curene 442; Cyanaset; MOCA (precursor); 4,4'-Diamino-3,3'-dichlorodiphenylmethane
EINECS	202-918-9

Quality Control

Our 4,4'-Methylene Bis(2-Chloroaniline) is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical testing, including HPLC, GC, and melting point determination. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light tan crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	100°C - 110°C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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