There is a provided a polyurethane composition, which exhibits an excellent
property of preventing discoloring or coloring not only by oxidized nitrogen gases
but also by heat, characterized in that
(A) a hindered phenol antioxidant, and
(B) an amide represented by the following general formula (I):
wherein R1 represents an alkyl group having 12 to 21 carbon atoms
is compounded in the polyurethane.