A slightly acid, aqueous solution of H202 (approximately 3 per cent.) corresponding to about 10 volumes of available oxygen.

Properties : Solution of hydrogen dioxid is a colorless liquid without odor, but having a slightly acidulous taste and producing a peculiar sensation and thick froth in the mouth.

Action and Uses: By its power of giving off oxygen it becomes a germicide and is employed as a non-toxic antiseptic application to suppurating wounds, inflamed mucous membranes, etc. It is employed as a topical application in the throat in diphtheria and other inflammatory exudates.

Dosage: Solution of hydrogen dioxid is usually applied diluted with from 1 to 4 volumes of water. It should be used with care in deep cavities. A free opening for the escape of foam and gas should be provided.