Sodium tetraborate decahydrate

Ph. Eur.

200

puriss.

99.0-103.0%

crystalline

meets analytical specification of Ph. Eur., BP, NF

carbonate and Bicarbonate, complies, organic volatile impurities, complies, residual solvents, complies, ≤0.001% ammonium (NH₄), ≤0.002% heavy metals (as Pb)

9.0-9.6 (20 °C, 5%)

1.73 g/mL at 25 °C (lit.)

chloride (Cl^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

As: ≤3 mg/kg, Ca: ≤100 mg/kg, Fe: ≤20 mg/kg, Mg: ≤10 mg/kg

complies for appearance of solution

room temp

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

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

CDMADVZSLOHIFP-UHFFFAOYSA-N