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1.00169

Supelco

di-Boron trioxide

99.9995 Suprapur®

Synonym(s):

di-Boron trioxide, Boric anhydride

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About This Item

Empirical Formula (Hill Notation):
B2O3
CAS Number:
Molecular Weight:
69.62
MDL number:
UNSPSC Code:
12352303
EC Index Number:
215-125-8
NACRES:
NB.21

grade

for inorganic trace analysis

Quality Level

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 (PO43-): ≤5 ppm
silicate (as SiO2): ≤1 ppm
sulfate (SO42-): ≤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

Related Categories

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

pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Repr. 1B

Storage Class

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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