Pyrogallol

Synonyms:

1,2,3-Trihydroxybenzene Pyrogallic acid, 1,2,3-Benzenetriol

Molecular Formula:

C6H3(0H)3

CAS #

87-66-1

Molecular Weight:

126.11

HS Code:

2907 2950

Description:

White lustrous crystalline powder, with bitter taste, getting grey when exposed to air and light, soluble in 2 parts of water, in 1 part of alcohol or 2 parts of ether.

Specification:

Conform to FCC, JIS K8780 and HGB 3369-60 standard

Main technical indexes

Unit

Analytical Reagent

Chemical Pure

Technical Grade

Water solubility test

Clear

Clear

0.2 max

Content

%

99.8 min

99.5 min

99.2 min

Melting point

℃

131 – 135

131 – 135

130 – 136

Residue on ignition

%

0.02 max

0.05 max

0.1 max

Chloride

%

0.002 max

0.002 max

Sulfate

%

0.01 max

0.01 max

Heavy metals

%

0.0005 max

0.0005 max

Uses:

Widely used in medicine, dye, chemical and food industries and utilized to make developer in photography, heat sensitizer and polymerization inhibitor.

Storage:

Keep in tight, light resistant container.

Packing:

In fiber or iron drum with lining plastic bag, each 25kg net.