Topnote Aromatics offers Molybdic Acid in White or Slightly Yellow Colour Powder. Topnote Aromatics is a chemical industry that supplies a full range of specialty products. The Molybdic Acid in White or Slightly Yellow Colour Powder largely consists of an ammonium molybdate compound. Molybdic Acid is used for the determination of phosphorous / phosphate and lead, it is graded as a reagent and technical acid. This acid is sparingly soluble in cold and more in hot water, it is also mixes with some of the ammonium and other fixed alkaline.