Borax Pentahydrate 5 Mol [Na2B4O7.5H2O] [CAS_11130-12-4] Technical Standard, White, Granular (55.12 Lbs Bag)

$ 169.29 $ 218.29

Wintersun code: 02-010-01
CAS Number: 11130-12-4
Molecular Formula: Na2B4O7.5H2O
Molecular Weight: 291.35 g/mol

  

Sales Specification

  • Appearance: White, granular, crystalline solid
  • Grades: Technical Standard
  • Pentahydrate Borax (Na2B4O7.5H2O): 101.5%-103.5%
  • Anhydrous Borax (Na2B4O7): 70.8%-71.5%
  • Boric Oxide (B2O3): 48.5%-49.5%
  • Sodium Oxide (Na2O): 21.6%-22.0%
  • Water of Crystallization (H2O): 28.5%-29.9%
  • Chloride (Cl): 600ppm
  • Sulfate (Na2SO4): 300ppm
  • Iron (Fe): 15ppm

pH in Water at 20°C(68°F):

  • Weight 0.1%: pH 9.25
  • Weight 0.5%: pH 9.24
  • Weight 1.0%: pH 9.24
  • Weight 2.0%: pH 9.25
  • Weight 3.0%: pH 9.29
  • Weight 3.74%(Saturation): pH 9.30

Packing

In 55.12 lb bag

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