Product Data
Trade Name: MIT-IVY DMA18
Chemical Name: Dimethyl Octadecyl Amine
CAS No. : 124-28-7
Package: 160Kg/drum or 800kg/IBC
Specifications:
Attribute Specification
Tertiary amine value（mgKOH/g） 183-189
Tertiary amine content（%） 97.0min
Color（APHA） 30max
Primary & Secondary amine content（%）： 1max
C18 Carbon chain（%） 95min

Applications:
DMA18 is used in the daily chemical industry to produce hair conditioners, synthetic intermediates for anti-static agents, etc.

The production method involves the condensation of octadecylamine, formaldehyde, and formic acid. First, octadecylamine is added to a reactor and stirred evenly in an ethanol medium. Formic acid is added while the temperature is controlled at 50-60℃. After stirring for several minutes, formaldehyde is added at 60-65℃ (Chemicalbook temperature). The temperature is raised to 80-83℃ and refluxed for 2 hours. The mixture is then neutralized with liquid alkali to achieve a pH greater than 10. After standing and separating into layers, water is removed, and ethanol is removed by vacuum distillation. After cooling, N,N-dimethyloctadecylamine is obtained.

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