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1.00163

di-Boron trioxide

for silicate analysis

Synonym(s):

di-Boron trioxide, Boric anhydride

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About This Item

Empirical Formula (Hill Notation):
B2O3
CAS Number:
1303-86-2
Molecular Weight:
69.61
UNSPSC Code:
41116105
EC Index Number:
215-125-8
NACRES:
NB.21
MDL number:
MFCD00011315
eCl@ss:
38120103
Form:
solid
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Quality Segment

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

SMILES string

B(=O)OB=O

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

signalword

Danger

hcodes

H360FD

Hazard Classifications

Repr. 1B

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Storage Class

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

Certificates of Analysis (COA)

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