Description

4,4'-Methylenedianilinium Dichloride is the dihydrochloride salt of 4,4'-methylenedianiline, a key chemical intermediate with significant industrial relevance. This compound is valued for its role as a precursor in the synthesis of high-performance polymers and advanced materials. It is primarily sought after by manufacturers in the polymer, epoxy resin, and specialty chemical industries for applications requiring precise molecular building blocks.

Application

• Polymer Precursor: A critical monomer or chain extender in the production of polyurethanes, polyimides, and other high-temperature resistant polymers.
• Epoxy Curing Agent Intermediate: Used in the synthesis of amine-based hardeners for epoxy resin systems, impacting final product durability and thermal properties.
• Chemical Synthesis: Serves as a versatile building block for pharmaceuticals, agrochemicals, and dyes, where the diamine structure is functionalized.
• Research & Development: Employed in academic and industrial R&D labs for developing new polymeric materials and studying reaction mechanisms.
• Adhesive Formulations: Contributes to the performance characteristics of industrial and structural adhesives.
• Composite Materials: Used in the manufacture of fiber-reinforced composites for aerospace and automotive applications.

Basic Information

Product Name	4,4'-Methylenedianilinium Dichloride
CAS No.	13552-44-8
Molecular Formula	C13H16Cl2N2
Molecular Weight	271.19 g/mol
Synonyms	4,4'-Methylenedianiline Dihydrochloride; MDA Dihydrochloride; Bis(4-aminophenyl)methane Dihydrochloride; 4,4'-Diaminodiphenylmethane Dihydrochloride; DADPM Dihydrochloride; Methylenebis(4-aminobenzene) Dihydrochloride; 4,4'-Methylenebis(aniline) Dihydrochloride; 4,4'-Methylenediphenylamine Dihydrochloride
EINECS	Contact for details

Quality Control

Our 4,4'-Methylenedianilinium Dichloride is produced under stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your specific requirements.

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 (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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