Description

2,2'-Methylenedianiline CAS NO 6582-52-1 is a high-purity aromatic diamine primarily used as a critical building block in advanced polymer synthesis. This compound is valued for its role in creating high-performance materials with excellent thermal and chemical resistance. It is essential for manufacturers in the polyimide, epoxy resin, and specialty chemical industries seeking reliable, high-quality intermediates for demanding applications.

Application

• Key monomer for the synthesis of high-temperature polyimide resins and films.
• Intermediate in the production of specialized epoxy curing agents and hardeners.
• Building block for benzimidazole derivatives used in pharmaceuticals and agrochemicals.
• Raw material in the manufacture of polyurethane elastomers and coatings.
• Precursor for dyes and pigments in industrial colorants.
• Component in research and development of advanced composite materials.
• Used in the synthesis of corrosion inhibitors and metal surface treatments.

Basic Information

Product Name	2,2'-Methylenedianiline
CAS No.	6582-52-1
Molecular Formula	C13H14N2
Molecular Weight	198.27 g/mol
Synonyms	2,2'-Diaminodiphenylmethane; 2,2'-Methylenebis(aniline); MDA (2,2'-isomer); Bis(2-aminophenyl)methane; 2,2'-Diaminodiphenylmethane; 2,2'-MDA; 2,2'-Diphenylmethanediamine; 2,2'-Methylenedibenzenamine
EINECS	229-516-9

Quality Control

Our 2,2'-Methylenedianiline is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets exacting industry specifications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and consistent quality.

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, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or equivalent light-blocking material until use.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	85 - 90 °C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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