TAPS Buffer 99% For Biochemistry
N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid
Product Code. |
02617 |
Grade |
|
Purity |
99% |
CAS No. |
29915-38-6 |
Molecular Formula |
C7H17NO6S |
Molecular Weight |
243.28 |
H.S.Code |
3822.00900 |
Shelf Life |
36 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
230 - 235 °C |
Flash point [°C] |
> 110 °C |
Solubility in water [% weight] |
121.6 g/l at 20 °C |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (alkalimetric) | Min 99% |
| UV absorbance (at 250 nm; 20 g/l; 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 | 8.40 |
Safety Information and Hazard Symbols