Sodium tetraborate decahydrate - 11625
Code: 11625
Sodium tetraborate decahydrate
Puriss., meets analytical specification of BP, NF, Ph. Eur., 99.0-103.0%
Borax decahydrate; Sodium borate decahydrate
meets analytical specification of Ph. Eur., BP, NF
CAS Number: 1303-96-4
Linear Formula: Na2B4O7 · 10H2O
Molar Mass: 381.37 g/mol
EC Number: 215-540-4
MDL Number: MFCD00149193
| Property |
Value |
| Assay |
99.0 - 103.0 % |
| PH (4 %, 20°C) |
9.0 - 9.6 |
| Ammonium (NH4) |
max. 10 ppm |
| Arsenic (As) |
max. 3 ppm |
| Calcium (Ca) |
max. 100 ppm |
| Iron (Fe) |
max. 0.002 % |
| Magnesium (Mg) |
max. 0.001 % |
| Heavy metals (as Pb) |
max. 20 ppm |
| Chloride (Cl) |
max. 0.005 % |
| Sulfate (SO4) |
max. 50 ppm |
| Carbonate and bicarbonate |
complying |
| Appearance of the solution |
complying |
| Residual solvents |
complying |
| Property |
Value |
| Boiling point |
1,575 °C |
| Freezing point |
>= 62 °C |
| Density |
1.7 g/cm3 |