1.00163

di-Boron trioxide

for silicate analysis

• Synonym(s): di-Boron trioxide, Boric anhydride
• Empirical Formula (Hill Notation): B₂O₃
• CAS Number: 1303-86-2
• Molecular Weight: 69.61
• MDL number: MFCD00011315
• UNSPSC Code: 41116105
• EC Index Number: 215-125-8
• NACRES: NB.21

Properties

• Quality Level: 100
• 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^-): ≤0.002%
• cation traces: Ca: ≤0.002%; Fe: ≤0.0005%; K: ≤0.003%; Mg: ≤0.0005%; Na: ≤0.003%; heavy metals (as Pb): ≤0.002%
• storage temp.: 2-30°C
• InChI: 1S/B2O3/c3-1-5-2-4
• InChI key: JKWMSGQKBLHBQQ-UHFFFAOYSA-N

Description

General description

for silicate analysis

Application

Di-boron trioxide - for silicate analysis

Analysis Note

Chloride (Cl)≤ 0.002 %Heavy metals (as Pb)≤ 0.002 %Ca (Calcium)≤ 0.002 %Fe (Iron)≤ 0.0005 %K (Potassium)≤ 0.003 %Mg (Magnesium)≤ 0.0005 %Na (Sodium)≤ 0.003 %Subst. not made volatile by methanolic hydrochloric acid (as SO₄)≤ 0.05 %

Safety Information

• pictograms: GHS08
• signalword: Danger
• hcodes: H360FD
• pcodes: P201 - P202 - P280 - P308 + P313 - P405 - P501
• 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