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di-SODIUM TETRABORATE DECAHYDRATE (BORAX) AR/ACS
Buffer substance.
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1691 | AR/ACS | 99.50% | 1303-96-4 | Na2B4O7.10H2O | 381.37 | 2840.1100 | 60 Months |
Packings
| 500 g,5000 g,25 Kg,50 Kg |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH value | 9.2 |
| Melting point/ Freezing point [°C] | 62 °C |
| Boiling point [°C] | 320°C |
| Density [g/cm3] | 1.73 |
| Solubility in water [% weight] | 39 g/l at 20 °C - completely soluble |
Specifications
| Appearance | A white crystalline powder |
| Assay (acidimetric) | 99.5 - 103% |
| Identity | Passes test |
| Clarity of solution | Passes test |
| 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% |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS08 |
| Signal Word | Danger |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | H360FD |
| Precaution Statement | P201-P308 + P313 |
| Risk Statement | |
| Safety Statement | |
Revision Date : 16-May-2014
Certificate of Analysis (COA's)
To download COA please enter the batch number below