Humic Acid from China, with very good quality! CAS No.1415-93-6Physicochemical PropertiesIt contains hydroxyl, carboxyl, phenolic hydroxyl and other active groups with black or brown appearance,can be made into powder, granule and column form, innoxious, odourless, insoluble in water, easily soluble in alkaliApplications and Usages1) Agriculture : organic fertilizer, raw material for humates ...