Jump to navigation Jump to search


Cream color crystals. Chlorohydroquinone is used in photographic developing solutions. It is also a Bactericide.

Chemical structure


Synonyms and Related Terms

halquinol?; chlorquinol?; 2-chloro-1,4-dihydroxybenzene; 2-chloro-1,4-benzenediol; 2-chlorohydroquinone; monochlorohydroquinone


  • Toxic by ingestion.
  • Skin contact will cause irritation.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Soluble in water, ethanol. Slightly soluble in ether.

Composition ClC6H3(OH)2
CAS 615-67-8
Melting Point 101-102 C
Molecular Weight mol. wt. = 144.56
Boiling Point 263 C

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4637
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
  • Aldrich Chemical Catalog

Retrieved from ""