BES BUFFER For Biochemistry
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1291 | For Biochemistry | 99% | 10191-18-1 | C6H15NO5S | 213.25 | 2922.1990 | 60 Months |
Packings
| 25 g,100 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White powder |
| pH value | 2.5- 5.0 |
| Melting point/ Freezing point [°C] | 152 - 154 °C |
| Solubility in water [% weight] | 213.3 g/l at 20 °C |
Specifications
| Appearance | White powder |
| Assay (alkalimetric) | Min 99% |
| Identity (IR) | Passes test |
| UV absorbance (at 250 nm; 5%; 1 cm; water) | Max 0.05 |
| Chloride (Cl) | Max 0.005% |
| Sulphate (SO4) | Max 0.005% |
| Heavy metal (as Pb) | Max 0.0005% |
| Sodium (Na) | Max 0.01% |
| Loss on drying (at 105°C) | Max 0.5% |
| Biological buffer, pKa at 20°C | 7.15 |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS07 |
| Signal Word | Warning |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | H315-H319-H335 |
| Precaution Statement | P261-P305 + P351 + P338 |
| Risk Statement | |
| Safety Statement | |