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TRIS BUFFER AR
Standard titrimetric substance Specially prepared for biochemistry and enzymology.
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1308 | AR | 99.50% | 77-86-1 | NH2C(CH2OH)3 | 121.14 | 2922.5090 | 60 Months |
Packings
| 100 g,500 g,5000 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| pH value | 10.5 - 12 |
| Melting point/ Freezing point [°C] | 167 - 172 °C |
| Boiling point [°C] | 219 - 220 °C |
| Initial boiling point [°C] | 219°C |
| Final boiling point [°C] | 220 °C |
| Solubility in water [% weight] | Soluble in water |
Specifications
| Appearance | White crystalline powder |
| Assay (by HClO4 titration; on dried basis) | Min 99.5% |
| pH (5% solution in water) | 10 - 11 |
| Melting point | 169 - 171°C |
| Chloride (Cl) | Max 0.001% |
| Sulphated ash | Max 0.01% |
| Water (H2O) | Max 0.5% |
| Absorbance (A1%/1cm; 10% in water) | - |
| at 260 nm | Max 0.02 |
| at 280 nm | Max 0.02 |
| at 300 nm | Max 0.02 |
| at 405 nm | Max 0.004 |
| at 430 nm | Max 0.004 |
| Biological buffer at 25°C | pKa 8.07 |
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 | |
Revision Date : 02-Nov-2019
Certificate of Analysis (COA's)
To download COA please enter the batch number below