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BIS-TRIS 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
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Description
| Article No. | 02186 | Grade | Molecular Biology |
| Purity | 99% | CAS No. | 6976-37-0 |
| Molecular Formula | C8H19NO5 | Molecular Weight | 209.2 |
| H.S. Code | 2922.1990 | 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 | ||||
Specifications
| Description | 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
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
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