Pyrogallic acid

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Chemical Name:Pyrogallic acid
CAS.NO:87-66-1
Synonyms:

Pyrogallic acid
Pyrogallol
1,2,3-Trihydroxybenene
 
Physical and Chemical Properties:
Density:1.12;
Melting point:43-47oC;
Boiling point:309oC;
Flash point:230oF;
Index of Refraction:1.387;

Molecular Formula:C6H6O3
Molecular Weight:126.11000
 
Specification:

Quailty index

Industrial grade

AR grade

CP grade

Appearance

white powder

white powder

white powder

Content %

≥99.00

≥99.80

≥99.50

Water solubility

clear and transparent

clear and transparent

clear and transparent

Melting point ℃

131-135℃

132-135℃

132-135℃

Residue on Ignition %

≤0.1

≤0.01

≤0.025

Chloride %

—-

≤0.001

≤0.001

Sulfate %

—-

≤0.005

≤0.005

Heavy metal  ppm

≤5.0

≤5.0

≤5.0

 
Packing:25 kg/drum, can also be packaged according to customer requirements
Storage:Store in a cool, ventilated place
Application:Hair dyes and pharmaceutical intermediates

Pyrogallic acid


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