Propionic

[Sarah]

Pertaining to, derived from, or designating, an organic acidwhich is produced in the distillation of wood, in the fermentation ofvarious organic substances, as glycerin, calcium lactate, etc., andis obtained as a colorless liquid having a sharp, pungent odor.Propionic acid is so called because it is the first or lowest memberof the fatty acid series whose salts have a fatty feel.