四硼酸钠十水合物，Sodium tetraborate decahydrate；puriss., meets analytical specification of Ph. Eur., BP, NF, 99.0-103.0%

Agency

Ph. Eur.

质量水平

200

等级

puriss.

测定

99.0-103.0%

形式

crystalline

质量

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

杂质

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

pH值（酸碱度）

9.0-9.6 (20 °C, 5%)

密度

1.73 g/mL at 25 °C (lit.)

痕量阴离子

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

痕量阳离子

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

适用性

complies for appearance of solution

储存温度

2-8°C

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