Bis-tris 99% Molecular Biology
2,2-Bis(hydroxymethyl)-2,2',2-nitrilotriethanol, 2-Bis(2-hydroxyethyl)amino-2-(hydroxymethyl)-1,3-propanediol; Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane
Product Code. |
00440 |
Grade |
|
Purity |
98% |
CAS No. |
6976-37-0 |
Molecular Formula |
C8H19NO5 |
Molecular Weight |
209.20 |
H.S.Code |
2922.19900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
| pH value |
9.5 - 11 |
Melting point/ Freezing point [°C] |
102 - 103 °C |
Solubility in water [% weight] |
209.2 g/l at 20 °C |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (by HClO4 titration) | Min 99% |
| Insoluble matter | Passes filter test |
| Residue on ignition | Max 0.3% |
| Loss on drying (at 20°; vacuum) | Max 0.5% |
| Solubility (1 M in water) | Complete, colorless |
| pH (2% solution in water) | 9.4 - 9.8 |
| UV absorbance (at 280 nm; 10%; 1 cm; in water) | Max 0.1 |
| Chloride (Cl) | Max 0.005% |
| Sulphate (SO4) | Max 0.01% |
| Iron (Fe) | Max 0.001% |
| Lead (Pb) | Max 0.001% |
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338