Patent ID: 7919122
Filing Date: 2011-04-05
Classification: A01N,C07C

Abstract:
1. A method of sterilizing a material to be sterilized, which comprises contacting, with a material to be sterilized, an aqueous solution containing an organic peracid obtained by reacting (A) an ester of a polyhydric alcohol and an organic acid having a hydrocarbon group which may have a hydroxyl group with (B1) hydrogen peroxide in an (A)/(B1) molar ratio of 1/5 to 10/1 in water adjusted to a pH of 8 to 12 with an alkaline pH adjusting agent, and then adjusting the reaction system to pH 1 to 5; wherein the reaction of (A) with (B1) in water at pH 8 to 12 is carried out at 5 to 50° C. for 1 to 120 minutes, and a molar ratio of the component (B1) to one ester group of the component (A) is 2 or less.