Amidol

Description

A colorless crystalline compound used as a photographic developer since 1892. Amidol, or diaminophenol hydrochloride, is also used to dye furs and hair.

Synonyms and Related Terms

acrol; diaminophenol hydrochloride; 2,4-diaminophenol dihydrochloride

Chemical structure

Other Properties

Turns dark brown with age. Produces difficult to remove stains on most materials.

Composition	C6H3(NH2)2OH-2HCl
CAS	137-09-7
Melting Point	205
Molecular Weight	mol. wt.=197.07

Hazards and Safety

Ingestion is toxic and may result in vertigo, convulsions and coma.

Inhalation and contact cause irritation and may produce an allergic reaction.

Fisher Scientific: MSDS

Authority

• 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

• The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983

• Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Amidol (Accessed Mar. 20, 2006)

• The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998