BES is commonly used for preparation of buffered saline for transfection of DNA into mammalian cells.
| M | 213.25 |
|---|

| White powder | Complying |
| Solub. (10% in Water) Clear, colorless | Complying |
| Loss on drying (105°C) | max. 0.5% |
| pH (10% in Water) | 3.5-5.0 |
| Assay (T) | min. 99%w/w |
| UV Abs. 260nm (10%) | max. 0.1AU |
| UV Abs. 280nm (10%) | max. 0.1AU |
| DNase activity | Not detected |
| RNase activity | Not detected |
| Protease activity | Not detected |