grade

ACS reagent

Quality Level

200

vapor pressure

0.213 hPa ( 20 °C)

Assay

≥99.5%

form

powder or crystals

impurities

≤0.005% Insoluble matter

pH

9.15-9.20 (25 °C, 0.01 M in solution)

density

1.73 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤0.001%
phosphate (PO₄^3-): ≤0.001%
sulfate (SO₄^2-): ≤0.005%

cation traces

Ca: ≤0.005%
Fe: ≤5 ppm
heavy metals (as Pb): ≤0.001%

SMILES string

O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2

InChI

1S/B4O7.2Na.10H2O/c5-1-7-3-9-2(6)10-4(8-1)11-3;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;;

InChI key

CDMADVZSLOHIFP-UHFFFAOYSA-N