BORAX (DECAHYDRATE) 99% EXTRAPURE
| Product Code | B-00447 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | EXTRAPURE | CAS No | 1303-96-4 |
| Molecular Formula | Na2B4O7·10H2O | Molecular Weight | 381.37 |
| H.S.Code | 2840.11000 | Shelf Life | 60 Months |
| Purity | 99% |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline |
|---|---|---|---|
| Melting point/ Freezing point [°C] | 62 °C | Density [g/cm3] | 1.73 |
| Boiling point [°C] | 320°C | pH Value | 9.2 |
| Odour | Odorless | Solubility in water [% weight] | 39 g/l at 20 °C - completely soluble |
Packaging
Specification
| Appearance | A white crystalline powder |
| Assay (acidimetric) | 99.0 – 103.0% |
| pH (5% solution in water) | 9.2 – 9.5 |
| Carbonate, bicarbonate | Passes test |
| Sulphate (SO4) | Max 0.005% |
| Heavy metal (as Pb) | Max 0.002% |
| Ammonium (NH4) | Max 0.001% |
| Arsenic (As) | Max 0.0005% |
| Calcium (Ca) | Max 0.01% |
Safety Information and Hazard Symbols
Symbol: GHS02 , GHS05, GHS07, GHS08
Signal Word: Danger
Hazardous Statement: H360FD
Precaution Statement: P201-P308 + P313