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
a vaginal yeast infection is an infection of the vagina that causes itching and burning of the vulva the area around the vagina vaginal yeast infections are caused by an overgrowth of the fungus candidahey may be mild or severe the most common symptom of a vaginal yeast infection is extreme itchiness in and around the vagina other signs and symptoms include burning redness and swelling of the vagina and the vulva pain when urinating pain during sex soreness