CAS Number
1303-96-4
Formula
Na2B4O7.10H2O
Weight
M: 381,37 EC: 215-540-4 NC: 2840 19 10
Signal Word: Danger
8 H360FD
| Appearance | A white crystalline powder |
| Assay (acidimetric) | 99,5 - 103% |
| Identity | p/t. |
| Clarity of solution | p/t. |
| Insoluble matter | Max 0,005% |
| pH (0.01 M solution; 25°C) | 9,15 - 9,20 |
| pH (4% solution in water) | 9,0 - 9,6 |
| Chloride (Cl) | Max 0,0007% |
| Phosphate (PO4) | Max 0,001% |
| Sulphate (SO4) | Max 0,005% |
| Heavy metal (as Pb) | Max 0,001% |
| Arsenic (As) | Max 0,0005% |
| Calcium (Ca) | Max 0,005% |
| Copper (Cu) | Max 0,0005% |
| Iron (Fe) | Max 0,0005% |
| Ammonium (NH4) | Max 0,001% |
| Lead (Pb) | Max 0,0005% |
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