TRIS BUFFER 99.5 % AR
| Product Code | B-02782 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | AR | CAS No | 77-86-1 |
| Molecular Formula | NH2.C(CH2OH)3 | Molecular Weight | 121.14 |
| H.S.Code | 2922.50900 | Shelf Life | 60 Months |
| Purity | 99.5 % |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline |
|---|---|---|---|
| Melting point/ Freezing point [°C] | 167 - 172 °C | Odour | Odorless |
| Solubility in water [% weight] | Soluble in Water | pH Value | 10.5 - 12 |
| Boiling point [°C] | 219 - 220 °C | Initial boiling point [°C] | 219°C |
| Final boiling point [°C] | 220 °C |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (by HClO4 titration; on anhydrous basis) | Min 99.5% |
| pH (5% solution in water) | 10 – 11 |
| Absorptivity at 250 nm – 440 nm (A 1%/1cm; 10% in water) | Passes test |
| Melting point | 169 – 171°C |
| Chloride (Cl) | Max 0.001% |
| Sulphated ash | Max 0.01% |
| Water (H2O) | Max 0.5% |
| Biological buffer at 25°C | pKa 8.07 |
Safety Information and Hazard Symbols
Symbol: GHS02 , GHS05 ,GHS07 , GHS08
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338