Product Catalogue
 :: 4.4'-Methylene Dianiline (MDA)
 MDA(4,4'-METHYLENE DIANILINE)also known as DDM(4,4'-Diaminodiphenyl methane)
 Structural formula
 Introduction MDA-100 is 99% 4,4’-diaminodiphenyl methane and a small amount of aromatic diamine derivatives of 2,4’-diaminodiphenyl methane. Molecular weight: 198.26 .Molecular formula: C13H14N2.MDA is an important chemical intermediate. In addition to being used in producing MDI end HMDI, it is widely used for polyimide, polyester-imine insulating varnish, polyimide resin, epoxy resin hardener, heat-resisting polymer, chain extender of polyurethane elastomer. Along with the applications is extended quickly, it can be applied in preparation of multifunctional epoxy resin, epoxy powder coating, etc. These materials made with MDA have excellent mechanical properties. electrical insulation, high temperature resistance, radiation resistance, and wear resistance.

 Properties:

APPEARANCE

White to yellowish crystal solid

Melting onset

≥87℃

Purity (HPLC)

≥97.5%

Packaging Plastic lined paper bag, 25kg/bag
Storage These products must be stored in a dry storehouse with ventilation. Avoid exposure to light and heating to prevent oxidation. Protect product from leakage. rain or sun during transportation.
Shelf Life The shelf life is 6 months under normal storage conditions. Product stored past expiration may still be used if analysis so indicates.
Safety MDA is toxic and hazardous (UN2651). It is combustible. Fire may be fought with water.
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