648310
Tris Base, Molecular Biology Grade
tris(Hydroxymethyl)aminomethane
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Merck KGaA
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64293 Darmstadt
Germany
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15 febrero 2012
cargando
Useful in the pH range of 7.0-9.0. Has a pKa of 8.1 at 25°C.
| Información sobre producto | |||
|---|---|---|---|
| Form | White solid | ||
| Purity | ≥99% by titration test (perchloric acid titration) | ||
| Contaminants | RNases, DNases, proteases: none detected. Absorbance (260 nm): ≤0.03; (280 nm): ≤0.02 | ||
| Heavy metals | ≤0.0005% | ||
| PKA | 8.30 at 20°C | ||
| Fórmula químico | C4H11NO3 | ||
| RTECS | TY2900000 | ||
| Número CAS | 77-86-1 | ||
| Merck USA index | 14, 9772 | ||
| Almacenar y enviar información | |||
|---|---|---|---|
| Categoría de alamacenamiento | +15°C to +30°C | ||
| Ship |
Ambient Temperature Only
Irritant |
||
| Información de seguridad | |||
|---|---|---|---|
| Frase S |
S: 26 |
||
| Frase R |
R: 36/38 |
||
