Intermediates, also known as organic intermediates, are intermediates that use coal tar or petroleum products as raw materials to manufacture dyes, pesticides, medicines, resins, additives, plasticizers, etc. It was originally used to make dyes, so it is also called dye intermediates. o-Chlorobenzoic acid is a mildew inhibitor, it can prevent the clothes from getting moldy and rotting. o-Chlorobenzoic acid is the raw material intermediate for making it.
http://www.raytopchemical.com/....raw-material-interme
