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Technical Data Sheet
Dimethylammonium Chloride 70% (DMA.HCl 70%)

Chemical Synonym
  • Dimethylammonium chloride; Dimethylamine hydrochloride; DMA.HCl

Product Description
Dimethylammonium Chloride 70% (DMA.HCl 70%) is available as an aqueous solution in a concentration up to 70%.

DMA.HCl is mainly used in Mannich reactions. The product is used as building block in pharmaceuticals for the treatment of diabetes type II, stomach ulcers, analgesics, as well as other disorders. Other fields of application are in agrochemical synthesis and formulation of solder fluxes.

Typical Properties

PropertyTypical Value, Units
Molecular FormulaC2H7N.HCl
Molecular Weight81.54 g/mol
AppearanceColorless liquid
Boiling Pointa171 °C
     @ 20°C1.044 g/cm3
Flash Point>200 °C
Freezing Point-24 °C
Octanol-water partition coefficient, log Pow-3.28
Refractive Index 
     @ 20°C1.4384
Vapor Pressure 
     100% solution; at 25°C0.00824 Pa
     @ 20°C6 mPa·s
Water solubilityCompletely soluble



DMA.HCl aqueous solution is corrosive to steel. It is advisable to store it in tanks made of polyethylene or of materials protected by a coating, resistant to chlorides.

Avoid neutralization with a base as this would result in release of dimethylamine, which is an extremely flammable, foul smelling gas.

Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.

2/28/2018 11:35:39 AM