Pyrogallic Acid
Other Names: Pyrogallol, pyrogallic acid, 1,2,3-trihydroxybenzene, 1,2,3-benzenetriol
Cas no.:87-66-1
EINECS No.: 211-207-2
MF: C6H6O3
Property: white glossy crystal powder , soluble in two parts water, one part ethanol and two parts aether
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Index name
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Analytical reagen( A.R )
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Chemically pure reagent( C.P )
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Industrial grade
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Melting point range:
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131.5 ~ 134
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131 ~ 135
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130 ~ 136
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Water solubility
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Conform
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Conform
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Insoluble substance 0.1%
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Ignition residue %≤
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0.025
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0.05
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0.1
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Chloride (CL) %≤
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0.001
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0.002
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Sulfate (SO4 ) % ≤
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0.010
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0.010
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Gallic acid
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Conform
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Conform
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pyrogallic Acid(content)
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99.8%
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99.6%
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99%
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Fe(content)
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0.35mg/kg
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0.4mg/kg
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0.45mg/kg
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Na(content)
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0.15mg/kg
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0.2mg/kg
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0.3mg/kg
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For the preparation of metal colloidal solution, colored leather, fur, hair dyeing, etching; and can be used as film developer, infrared photography thermosensitive agent, styrene and polystyrene block poly poly agent, medicine and dye intermediates and analysis reagent etc.. Pyrogallic acid used as oxygen absorber in gas analysis, in terms of cosmetics, hair, hair coloring agent for powder agent etc.
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