Sodium tetraborate decahydrate

InChI key

CDMADVZSLOHIFP-UHFFFAOYSA-N

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;;;;;;;;;;

SMILES string

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

agency

Ph. Eur.

grade

puriss.

assay

99.0-103.0%

form

crystalline

quality

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

impurities

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

pH

9.0-9.6 (20 °C, 5%)

density

1.73 g/mL at 25 °C (lit.)

anion traces

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

cation traces

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

suitability

complies for appearance of solution

storage temp.

room temp

Quality Level

200