Palm's Chromic Acid Crystal 99.85 % is a high purity chromic acid source used in surface finishing, ceramic glazes, leather tanning and other industrial applications. Chromic Acid Crystal could also be known as Chromium (VI) Oxide, Chromium Trioxide or Chromic Acid Anhydrate. Chromic Acid Crystal is a strong oxidizing agent and hydroscopic that could harden over time if not stored in a cool dry area with a tightly closed lid. Chromic Acid Crystals are manufactured to stringent quality standards and testing measures.