Jiurui Biology & Chemistry Co., Ltd .

• Production capacity: 600 T/Year

  Other name:Pyrogallol, 1,2,3 - Benzenetriol
  Chemical name:1,2,3 - Trihydroxybenxene 
  Mol. form and Mol .wt.:CH₆(OH)₃  126.11

  CAS NO:87-66-1
  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 K8780 standard.

Technical data:        tech grade          CP grade         AR grade

Appearance:              White powder           White powder        White powder

Purity %:                   ≥99.2              ≥99.5           ≥99.8

Water solubility:             clear                  clear               clear

Melting point ℃ :           ≤131~135           ≤132~135       ≤131~135

Residue on ignition %:        ≤ 0.025            ≤ 0.02          ≤ 0.02

Chloride %:                 ≤ 0.002            ≤ 0.001         ≤ 0.001

Sulphate %:                 ≤ 0.005            ≤ 0.005         ≤ 0.005

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. 25kg/bag.