Methyl p-aminophenol sulfate

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Description

Colorless needles that are dissolved in an aqueous solution for use in the development of black and white photographs.

Synonyms and Related Terms

Metol; p-methylaminophenol sulfate; Enol; Genol; Graphol; Photo-Rex; Verol

Chemical structure

Methyl p-aminophenol sulfate.jpg


Other Properties

Soluble in water and ethanol. Insoluble in ether.

Composition HOC6NHCH3-1/2H2SO4
CAS 55-55-0
Melting Point 250-260
Molecular Weight mol. wt. = 344.39

Hazards and Safety

Discolors in air. Combustible. Flash point = 256C (493F)

Moderately toxic by ingestion, inhalation and skin contact.

Mallinckrodt Baker: MSDS

Sources Checked for Data in Record

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979

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