1.00169

di-Boron trioxide

99.9995 Suprapur^®

• Synonym(s): di-Boron trioxide, Boric anhydride
• Empirical Formula (Hill Notation): B₂O₃
• CAS Number: 1303-86-2
• Molecular Weight: 69.62
• MDL number: MFCD00011315
• UNSPSC Code: 12352303
• EC Index Number: 215-125-8
• NACRES: NB.21

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• Assay: ≥99.0% (from ignited substance); 99.9995%
• form: solid
• potency: 3150 mg/kg LD₅₀, oral (Rat)
• pH: 4 (25 °C, 10 g/L in H₂O)
• mp: 450 °C
• solubility: 36 g/L
• density: 2.46 g/cm³ at 20 °C
• bulk density: 900‑1100 kg/m³
• anion traces: chloride (Cl^-): ≤5 ppm; phosphate (PO₄^3-): ≤5 ppm; silicate (as SiO₂): ≤1 ppm; sulfate (SO₄^2-): ≤5 ppm
• cation traces: Ag: ≤0.020 ppm; Al: ≤0.050 ppm; As: ≤0.010 ppm; Au: ≤0.010 ppm; Ba: ≤0.020 ppm; Be: ≤0.010 ppm; Ca: ≤0.100 ppm; Cd: ≤0.010 ppm; Co: ≤0.010 ppm; Cr: ≤0.020 ppm; Cu: ≤0.020 ppm; Fe: ≤0.050 ppm; In: ≤0.010 ppm; K: ≤0.20 ppm; Li: ≤0.010 ppm; Mg: ≤0.050 ppm; Mn: ≤0.010 ppm; Mo: ≤0.020 ppm; Na: ≤0.20 ppm; Ni: ≤0.020 ppm; Pb: ≤0.020 ppm; Sr: ≤0.020 ppm; Tl: ≤0.010 ppm; V: ≤0.020 ppm; Zn: ≤0.050 ppm
• storage temp.: 2-30°C
• InChI: 1S/B2O3/c3-1-5-2-4
• InChI key: JKWMSGQKBLHBQQ-UHFFFAOYSA-N

Description

Application

• Raman and Infrared Spectroscopy of Barium-Gallo Germanate Glasses Containing B(2)O(3)/TiO(2).: This study utilizes Raman and infrared spectroscopy to analyze the structural properties of barium-gallo germanate glasses containing di-Boron trioxide (B₂O₃). These insights are crucial for developing new materials with tailored properties for various industrial applications (Kowalska et al., 2023).


• Transition Metals (Cr(3+)) and Lanthanides (Eu(3+)) in Inorganic Glasses with Extremely Different Glass-Formers B(2)O(3) and GeO(2).: This research investigates the incorporation of transition metals and lanthanides in inorganic glasses formed with di-Boron trioxide, enhancing their optical properties and potential applications in photonics and other advanced materials (Kowalska et al., 2021).


• Synthesis and characterization of Ag(2)O/B(2)O(3)/TiO(2) ternary nanocomposites for photocatalytic mineralization of local dyeing wastewater under artificial and natural sunlight irradiation.: This research presents a novel method for synthesizing nanocomposites involving di-Boron trioxide (B₂O₃), with significant implications for environmental applications, particularly in wastewater treatment (Tijani et al., 2019).

Analysis Note

Purity (metallic): ≥ 99.9995 %
Assay (from ignited substance): ≥ 99.0 %
Chloride (Cl): ≤ 5 ppm
Phosphate (PO): ≤ 5 ppm
Silicate (as SiO): ≤ 1 ppm
Sulfate (SO): ≤ 5 ppm
Ag (Silver): ≤ 0.020 ppm
Al (Aluminium): ≤ 0.050 ppm
As (Arsenic): ≤ 0.010 ppm
Au (Gold): ≤ 0.010 ppm
Ba (Barium): ≤ 0.020 ppm
Be (Beryllium): ≤ 0.010 ppm
Ca (Calcium): ≤ 0.100 ppm
Cd (Cadmium): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.010 ppm
Cr (Chromium): ≤ 0.020 ppm
Cu (Copper): ≤ 0.020 ppm
Fe (Iron): ≤ 0.050 ppm
In (Indium): ≤ 0.010 ppm
K (Potassium): ≤ 0.20 ppm
Li (Lithium): ≤ 0.010 ppm
Mg (Magnesium): ≤ 0.050 ppm
Mn (Manganese): ≤ 0.010 ppm
Mo (Molybdenum): ≤ 0.020 ppm
Na (Sodium): ≤ 0.20 ppm
Ni (Nickel): ≤ 0.020 ppm
Pb (Lead): ≤ 0.020 ppm
Sr (Strontium): ≤ 0.020 ppm
Tl (Thallium): ≤ 0.010 ppm
V (Vanadium): ≤ 0.020 ppm
Zn (Zinc): ≤ 0.050 ppm

Legal Information

SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS08
• Signal Word: Danger
• Hazard Statements: H360FD
• Precautionary Statements: P201 - P202 - P280 - P308 + P313 - P405 - P501
• Hazard Classifications: Repr. 1B
• Storage Class Code: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable