Descripción del producto

Production capacity: **0 T/Year
Other name：Pyrogallol, 1,2,3 - Benzenetriol
Chemical name：1,2,3 - Trihydroxybenxene 
Mol. form and Mol .wt.：CH6(OH)3  **6.*1
Description：A lustrous crystalline white powder, Soluble in 2 proportions of water, 1 alcohol and 2 ether.
Specification：Comply with the requirements both U.S.A." Reagent
Chemical and Standard" by Joseph Rosin Fifth-edition and JIS K***0 standard.
Technical data:       tech grade          CP grade         AR grade
Appearance:             White powder           White powder        White powder
Purity %:                   ≥*9.2             ≥*9.5          ≥*9.8
Water solubility:            clear                  clear               clear
Melting point℃:          ≤**1~**5          ≤**2~**5      ≤**1~**5
Residue on ignition %:       ≤0.**5           ≤0.*2         ≤0.*2
Chloride %:                ≤ 0.**2           ≤0.**1        ≤0.**1
Sulphate %:                ≤0.**5            ≤0.**5        ≤0.**5
Heavy metal ppm:           ≤5               ≤5           ≤5
Usage: used in analyse&mensuration of oxygen, antimony, bismuth, cerium, iron, molybdenum, tantalum and niobium etc; also widely used in pharmaceutical, dyestuff, chemical and food industries; developer in photography.
Storage：keep in a well-closed container.
Packing：circinal-paper barrel with plastic bag inside, N.W. *5kg/bag.