TES Buffer 99% For Biochemistry
N-tris (hydroxymethyl) Methyl-2-aminoethane Sulphonic Acid
Product Code. |
02628 |
Grade |
For Biochemistry |
Purity |
99% |
CAS No. |
7365-44-8 |
Molecular Formula |
C6H15NO6S |
Molecular Weight |
229.25 |
H.S.Code |
2922.19900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
225 °C |
Solubility in water [% weight] |
229.3 g/l at 20 °C |
Packaging
Specification
| Appearance | White crystalline 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 0.005% |
| Loss on drying (at 105°C) | Max 0.2% |
| Biological buffer, pKa at 20°C | 7.50 |
Safety Information and Hazard Symbols