Amidol

Description

Chemical structure

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

Physical and Chemical 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 C
Molecular Weight	mol. wt.=197.07

Risks

• 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

Physical and Chemical Properties

• 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: http://en.wikipedia.org/wiki/Amidol (Accessed Mar. 20, 2006)

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