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Supelco

di-Boron trioxide

for silicate analysis

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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

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

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 %

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H360FD

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

Certificates of Analysis (COA)

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