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pyrogallolmore about pyrogallol

pyrogallol


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Pyrogallol  \Pyr`o*gal"lol\,  n.  [Pyrogallic  +  -ol.]  (Chem.) 
  A  phenol  metameric  with  phloroglucin,  obtained  by  the 
  distillation  of  gallic  acid  as  a  poisonous  white  crystalline 
  substance  having  acid  properties,  and  hence  called  also 
  {pyrogallic  acid}.  It  is  a  strong  reducer,  and  is  used  as  a 
  developer  in  photography  and  in  the  production  of  certain 
  dyes. 




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