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  • What is a commercial grade hydrochloric acid?
  • Commercial grade, concentrated hydrochloric acid is about 37.5% HCl by weight and has a normality of 12 and specific gravity 1.19. Hydrogen chloride gas may be stored in steel cylinders free of contaminants. Monel, pure nickel, or its alloy, inconel, may also be used for storage and transportation up to 500°C.
  • What is hydrochloric acid (HCl)?
  • Hydrochloric acid (HCL) is an aqueous solution of hydrogen chloride, which is an acidic gas. It is a colorless, dense, and nonflammable gas with a distinctive pungent and irritating smell. Hydrochloric acid possesses a strong corrosive nature towards metals, tissues, eyes, and the respiratory system.
  • What is the temperature and pressure of hydrochloric acid?
  • They can range from those of water at 0% HCl to values for fuming hydrochloric acid at over 40% HCl. The reference temperature and pressure for the above table are 20 °C and 1 atmosphere (101 kPa). Hydrochloric acid as the binary (two-component) mixture of HCl and H 2 O has a constant-boiling azeotrope at 20.2% HCl and 108.6 °C (227 °F).
  • What is food grade hydrochloric acid?
  • Food-grade (extra-pure) hydrochloric acid can be applied when needed for the final product. Hydrochloric acid in high concentrations forms acidic mists. Both the mist and the solution have a corrosive effect on human tissue, with the potential to damage respiratory organs, eyes, skin, and intestines.