Specification :

Product Name: 5, 5-dimethyl hydantoin( DMH for short)
Formula: C5H8N2O2
Molecular Weight: 128.13
Characteristic: It is white crystal powder, dissoluble in water, dissoluble in water, ethanol, and ethyl ether; slightly dissoluble in acetone, but does not dissolve in fatty hydrocarbon and trichlene.

Quality Standard: Q/ QYG 01-2008
Items Index
Appearance White crystal powder
Purity 99.5% min
Melting Point 174~ 176centigrade

Loss on Drying 0.3% max
Ash after burning 0.2% max
Usage: It mainly used for synthesizing halogenated hydantoin and DMDM hydantoin, and it also can be used for compounding hydantoin epoxy resin and hydantoin formaldehyde resign, in manufacturing of macrolecule materials and aminophenol, in compounding of Hydantoin epoxy resin and hydantoin formaldehyde resign.
Package: To be packed in two layers: nontoxic PE bag inside, and plastic woven bag outside, 25kg net each or by customer’ s requirement.
Transportation: Carefully handling, prevent from solarization and rain drenches.It can transport as common chemicals but cannot be mixed shipped with other toxic or harmful substances.
Storage: Keep in cool, dry, avoid storing together with toxic substance for fear of pollution.Valid for two years.