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Boric acid

Orthoboric acid; Boraric acid

  • Cas Number :10043-35-3
  • Chemical Formula : H3BO3
  • Molecular Weight : 61.83

Boric acid

Boric acid is widely used in the pharmaceutical and cosmetic industries, as a nutritional supplement, flame retardant, in the manufacture of glass and fiberglass, and in the production of wood preservatives to control pests and fungus.

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Assay H3BO3 (ON dry basis):
99.50% min.
pH (3.33 % soln. at room temp.):
3.8 - 4.8
Clarity & colour (3.33% soln.):
Clear & colourless
Sulphate (as SO4):
1000 ppm max.
Chloride (as Cl):
100 ppm max.
Iron (as Fe):
10 ppm max.
Arsenic (asAs):
05 ppm max.
Heavy metal (as Pb):
10 ppm max.
Loss on drying:
0.50% max.
Insoluble matters:
Nil
Bulk density:
500-600 kg/m3
Particle size (-200):
90.00% min.