Quaternary Ammonium Compounds. 1  1. Quaternary Ammonium Compounds Quaternary ammonium cations, also known as quaternary ammonium salts, quaternary ammonium compounds or Quats, are salts of quaternary ammonium cations with an anion. General structure and examples of quaternary ammonium compounds (QACs) The quaternary ammonium compounds contain a hydrophobic has an oily character and thus it repels water. 2  When absorbed on surfaces this oily group extends outwards from the surface as illustrated below: 2.
a vaginal yeast infection is a fungal infection that causes irritation discharge and intense itchiness of the vagina and the vulva the tissues at the vaginal openingit s a type of vaginitis or inflammation of the vagina vaginal yeast infection is a fungal infection that causes irritation discharge and intense itchiness of the vagina and the vulva the tissues at the vaginal opening
The Basics. Yeast Infection. What it is: A fungus called Candida albicans, which lives in the vagina as well as in the mouth and digestive tract and on the skin. Most of the time, it stays in check. But when thereâs an overgrowth of the fungus down there, a yeast infection flares up.