Question
Posted on: March 6 2013Precipitation in an alcohol-free mouthwash based on chlorhexidine Chlorhexidine gluconate 20% 6.0 ml Saccharin sodium 0.17 g Cetomacrogol 1.0 g Muntspritus 30.0 g purified
Water AD 1000ml < br/>
Answer
The formed precipitate is a complex salt or ion pair between chlorhexidine (+) and saccharin (-). One should opt for another non-ionogenic sweetener like e.g. saccharin.