1.00163
di-Boron trioxide
for silicate analysis
别名:
di-Boron trioxide, Boric anhydride
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关于此项目
经验公式（希尔记法）:
B2O3
化学文摘社编号:
分子量:
69.61
UNSPSC Code:
41116105
EC Index Number:
215-125-8
NACRES:
NB.21
MDL number:
Form:
solid
SMILES string
B(=O)OB=O
InChI
1S/B2O3/c3-1-5-2-4
InChI key
JKWMSGQKBLHBQQ-UHFFFAOYSA-N
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
Quality Level
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 %
signalword
Danger
hcodes
Hazard Classifications
Repr. 1B
存储类别
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
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