391338
HEPES, Free Acid, ULTROL® Grade
N-2-Hydroxyethylpiperazine-N′-2-ethanesulfonic Acid
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01 junio 2012
cargando
A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.
Absorbance (1.0 M, H2O, 260 nm):≤0.05.
| Producto alternativo | |
|---|---|
| 391340 | HEPES, Free Acid, Molecular Biology Grade |
| 375368 | HEPES, Free Acid, ULTROL® Grade, 1 M Solution |
| 391333 | HEPES, Sodium Salt, ULTROL® Grade |
| Productos alternativos para HEPES, Free Acid, ULTROL® Grade | |
| 391340 | HEPES, Free Acid, Molecular Biology Grade |
| 375368 | HEPES, Free Acid, ULTROL® Grade, 1 M Solution |
| 391333 | HEPES, Sodium Salt, ULTROL® Grade |
| Accesorios para HEPES, Free Acid, ULTROL® Grade |
| Información sobre producto | |||
|---|---|---|---|
| Form | White crystalline powder | ||
| Purity | ≥99% by titration (dry basis) | ||
| Contaminants | Chloride: ≤0.01%; Sodium: ≤0.1%; Sulfate: ≤0.05% | ||
| Heavy metals | ≤1 ppm | ||
| PKA | 7.25 - 7.75 at 20°C | ||
| Fórmula químico | C8H18N2O4S | ||
| RTECS | TL6809000 | ||
| Número CAS | 7365-45-9 | ||
| Merck USA index | 14, 4654 | ||
| Almacenar y enviar información | |||
|---|---|---|---|
| Categoría de alamacenamiento | +15°C to +30°C | ||
| Ship |
Ambient Temperature Only
Irritant |
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| Información de seguridad | |||
|---|---|---|---|
| Frase S |
S: 26-37/39 |
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| Frase R |
R: 36/37/38 |
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