Disclosed is a alkaline liquid hard-surface cleaning and disinfecting composition. The composition comprises from about 0.001% to about 5% by weight of a C.sub.4 -C.sub.7 dicarboxylate or hydroxydicarboxylate, from about 0.005% to about 5% by weight of a quaternary ammonium disinfectant, from about 0.001% to about 15% by weight of a detergent surfactant, a pH of from about 7.5 to about 13, from about 15% to 98% by weight of water, and from 0 to about 60% by weight of an organic solvent having a hydrogen bonding parameter of less than about 7.7. The composition can be used to provide streak-free cleaning and disinfecting of hard surfaces. Moreover, in the presence of the selected dicarboxylates, the quaternary ammonium disinfectant retains its disinfectancy properties and does not precipitate out of solution. The composition can be prepared as a dry formulation.

Показана алкалическая жидкостная чистка трудн-poverxnosti и состав дезинфицировать. Состав состоит из от около 0.001% до около 5% by weight of C.sub.4 - dicarboxylate C.sub.7 или hydroxydicarboxylate, от около 0.005% до около 5% by weight of дезинфектант четвертичного аммония, от около 0.001% до около 15% by weight of детержентный сурфактант, pH от около 7.5 до около 13, от около 15% к 98% by weight of вода, и от 0 до около 60% by weight of органический растворитель имея параметр bonding водопода меньш чем около 7.7. Состав можно использовать для того чтобы обеспечить штриховатост-svobodno чистку и дезинфицировать трудных поверхностей. Сверх того, in the presence of выбранные dicarboxylates, дезинфектант четвертичного аммония сохраняет свои свойства disinfectancy и не осаждает из разрешения. Состав можно подготовить как сухое образование.

 
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