Propylamine, also known as ''n''-propylamine, is an
amine
In chemistry, amines (, ) are compounds and functional groups that contain a basic nitrogen atom with a lone pair. Amines are formally derivatives of ammonia (), wherein one or more hydrogen atoms have been replaced by a substituen ...
with the chemical formula CH
3(CH
2)
2NH
2.
It is a colorless volatile liquid.
[Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke "Amines, Aliphatic" in ''Ullmann's Encyclopedia of Industrial Chemistry'', Wiley-VCH, Weinheim, 2005. ]
Propylamine is a weak base. Its K
b (
base dissociation constant
In chemistry, an acid dissociation constant (also known as acidity constant, or acid-ionization constant; denoted ) is a quantitative measure of the strength of an acid in solution. It is the equilibrium constant for a chemical reaction
...
) is 4.7 × 10
−4.
Preparation
Propyl amine hydrochloride can be prepared by reacting
1-propanol with
ammonium chloride at high temperature and pressure using a Lewis acid catalyst such as
ferric chloride
Iron(III) chloride is the inorganic compound with the formula . Also called ferric chloride, it is a common compound of iron in the +3 oxidation state. The anhydrous compound is a crystalline solid with a melting point of 307.6 °C. The col ...
.
References
{{Reflist
External links
International Chemical Safety Card
Alkylamines