Tris Buffer 99% Extrapure
Suitable for preparation purpose.
2-Amino-2-(hydroxymethyl)-1,3-propanediol; THAM; Tris base; Tris(hydroxymethyl)aminomethane; Trometamol
Product Code. |
02781 |
Grade |
Extrapure |
Purity |
99% |
CAS No. |
77-86-1 |
Molecular Formula |
NH2.C(CH2OH)3 |
Molecular Weight |
121.14 |
H.S.Code |
2922.50900 |
Shelf Life |
60 Months |
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 |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay | Min 99.0% |
| Melting point | 165 - 170 °C |
| Sulphated ash | Max 0.15% |
| Biological buffer, pKa at 20°C | 8.3 |
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338