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Preferred IUPAC name Benzene-1,2,3-triol
Other names 1,2,3-Trihydroxybenzene
Pyrogallic acid 1,2,3-Benzenetriol
Identifiers CAS
Number 87-66-1 Y 3D
model (JSmol)...
- as
Berspeed and
Superfine and
revived traditional formulas like PMK, a
pyrogallic acid-based
developer dating back to the
early days of photography. In...
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Among others,
Braconnot discovered gallic and
ellagic acids (1818) and
pyrogallic acid (pyrogallol)
which later enabled the
development of photography....
- The
first patent for an
oxygen scavenger used an
alkaline solution of
pyrogallic acid in an air-tight vessel.
Modern scavenger sachets use a
mixture of...
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Regnault was also an avid
amateur photographer. He
introduced the use of
pyrogallic acid as a
developing agent, and was one of the
first photographers to...
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unlike those in
common use today. An
example formula follows. Part A:
Pyrogallic acid 96 g,
alcohol 1 oz. Part B: Pot****ium
bromide 12 g,
distilled Water...
- the
latter in not
being convertible into
gallic acid, and not
yielding pyrogallic acid by dry distillation. It is
precipitated by
sulfuric acid in red flocks...
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pseudo tannins and
their sources are:
Ellagic acid,
gallic acid, and
pyrogallic acid were
first discovered by
chemist Henri Braconnot in 1831.: 20 Julius...
- 1002/jlac.18761810102. ISSN 0075-4617. Phipson, T. L. (1881). "Dangers of
Pyrogallic Acid".
Scientific American. 12 (312supp): 4982–4982. doi:10...
- with
parent species.
Myriophyllum ****atum
produces ellagic,
gallic and
pyrogallic acids and (+)-catechin,
allelopathic polyphenols inhibiting the growth...
