Boron Oxide

  • Appearance: colorless glassy crystal or white crystalline powder
  • Name: Boron Oxide
  • Aliases: boric anhydride, boric anhydride, anhydrous boric acid
  • Molecular Formula: B2O3
  • EINECS#:215-125-8
  • CAS#:1303-86-2
  • Product Advantages: high purity, low impurities, good uniformity

Boron trioxide standard

Indicator items Electronic-grade indicators Industrial-grade indicators
Boron trioxide (B2O3) content% 98.0-100.0 98.0-100.0
SO42- % ≤0.025 ≤0.60
Cl % ≤0.01 ≤0.05
Na+K % ≤0.02 ≤0.05
Fe % ≤0.005 ≤0.01
moisture content (H2O) % ≤1.0 ≤1.5
Granularity (-200 mesh) % ≤10.0 ≤15.0
The test method is carried out in accordance with the requirements of Q/XYL001-2020

Boron trioxide packaging


25kg/paper bag (kraft paper bag with plastic inner film)

1000kg/bag (FIBC)


Store in a cool, dry, ventilated place.

Application of boron trioxide

Raw materials for the preparation of elemental boron and various boron compounds
Glass and ceramic components
Refractory additives
Flame retardant for fire-retardant coatings
Catalyst for organic synthesis
General chemical reagents, etc