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HEPES Sodium salt Ultra |
Hydroxyethyl)-piperazine-N'-2-ethanesulfonic acid sodium salt; Hydroxyethyl)-piperazine-1-ethanesulfonic acid sodium salt
| Cas No | 75277-39-3 |
| Appearance | White Crystalline Powder |
| Chloride | ≤0.05% |
| Color | White |
| Heavy Metals | ≤5PPM |
| Moisture | ≤3% |
| Molecular Formula | C8H18N2O4S |
| Molecular Weight | 238.31 |
| ph | 4.7 - 6.0 (1%; H2O) |
| pka | 7.55 (25℃) |
| Purity | ≥99.5% |
| Sulfate | ≤0.05 % |
| Usable ph range | 6.8 - 8.2 |
| UV |
A260≤0.2 (1 M, H2O) A280≤0.2 (1 M, H2O) |
| Storage | Store at room temperature. |
