1.06306
di-Sodium tetraborate
anhydrous for analysis
Synonym(s):
di-Sodium tetraborate, Borax
About This Item
Recommended Products
grade
for X-ray fluorescence analysis
Quality Level
vapor pressure
7.3 hPa ( 1200 °C)
assay
≥98.0% (acidimetric)
form
powder
potency
>2000 mg/kg LD50, skin (Rabbit)
pH
9.2 (20 °C, 25 g/L in H2O)
mp
742 °C
solubility
25.6 g/L
density
2.37 g/cm3 at 20 °C
bulk density
700 kg/m3
anion traces
chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.002%
sulfate (SO42-): ≤0.005%
cation traces
heavy metals (as Pb): ≤0.002%
storage temp.
2-30°C
InChI
1S/4B.2Na.7H2O.7O/h;;;;;;7*1H2;;;;;;;/q4*+3;2*+1;;;;;;;;7*-2
InChI key
HJIQVKXMQOLFFS-UHFFFAOYSA-N
Analysis Note
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.002 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.001 %
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - 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
Certificates of Analysis (COA)
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