BIS-TRIS Molecular Biology
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1293 | Molecular Biology | 99% | 6976-37-0 | C8H19NO5 | 209.2 | 2922.1990 | 60 Months |
Packings
| 25 g,100 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH value | 9.5 - 11 |
| Melting point/ Freezing point [°C] | 102 - 103 °C |
| Solubility in water [% weight] | 209.2 g/l at 20 °C |
Specifications
| Description | White crystalline powder |
| Assay (by HClO4 titration) | Min 99% |
| Insoluble matter | Passes filter test |
| Residue on ignition | Max 0.3% |
| Loss on drying (at 20°; vacuum) | Max 0.5% |
| Solubility (1 M in water) | Complete, colorless |
| pH (2% solution in water) | 9.4 - 9.8 |
| UV absorbance (at 280 nm; 10%; 1 cm; in water) | Max 0.1 |
| Chloride (Cl) | Max 0.005% |
| Sulphate (SO4) | Max 0.01% |
| Iron (Fe) | Max 0.001% |
| Lead (Pb) | Max 0.001% |
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 | |