Silver bromide

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Pale yellow crystals that darken on exposure to light. Silver bromide is primarily used in photographic emulsions and photochromic glass.


  • Light sensitive.
  • Contact may cause irritation.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Soluble in solutions of potassium bromide, potassium cyanide, and sodium thiosulfate. Insoluble in water.

Composition AgBr
CAS 7785-23-1
Melting Point 432 C
Density 6.473 g/ml
Molecular Weight mol. wt. = 187.77
Boiling Point 700 C (dec)

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 8649
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

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