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  • substrate
  • When heated to its melting point, the product sublimes at atmospheric pressure, and, when prepared from hydroquinone, the substrate boils at a significantly higher temperature than 1,4-benzoquinones melting point, allowing for an effective separation of the two. (wikipedia.org)
  • side
  • Normally hydroquinone is very well tolerated, however side effects may be seen. (aocd.org)
  • Stop using hydroquinone and tell your doctor right away if any of these unlikely but serious side effects occur: blistering, skin cracking, blue-black darkening of the skin. (webmd.com)
  • appears
  • Hydroquinone generally appears as an off-white powder or as fine, white, crystalline needles, and it is freely soluble in warm water or alcohol. (fsu.edu)
  • However, the staining effect only appears in solutions with very little sulfite, and most hydroquinone developers contain substantial quantities of sulfite. (wikipedia.org)
  • chemical
  • Hydroquinone is also frequently employed as a chemical intermediate in the production of many dyes, varnishes, motor fuels, oils, and paints. (fsu.edu)