Ethanol is a frequently used active ingredient in alcohol-based hand disinfectants and other products. When indicating the active ingredient content in percent, the additional indication of whether it is mass percent % (w/w) or volume percent % (v/v) is crucial. This is because 80 g ethanol per 100 g product does not correspond to the same content as 80 ml ethanol in 100 ml product. The ethanol content of all HARTMANN products is given in mass percent % (w/w).
The following table compares different ethanol concentrations in volume and mass percent:
