BORAX (DECAHYDRATE) 99.5% AR
| Product Code | B-00448 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | AR/td> | CAS No | 1303-96-4 |
| Molecular Formula | Na2B4O7·10H2O | Molecular Weight | 381.37 |
| H.S.Code | 2840.11000 | Shelf Life | 60 Months |
| Purity | 99.5% |
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) | 99.5 – 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: GHS02 , GHS05, GHS07, GHS08
Signal Word: Danger
Hazardous Statement: H360FD
Precaution Statement: P201-P308 + P313