| Neocide® HEPES CAS: 7365-45-9 |
| HEPES is used as biochemisty buffers. It is referred to as a second generation Good's buffer, which displays improved solubility and stability compared to traditional Good's buffers. |
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| Part No. | GB02017 |
| CAS NO: | 7365-45-9 |
| EINECS NO | 230-907-9 |
| Ingredients | 2-[4-(2-Hydroxyethyl)-1-piperazinyl]ethanesulfonic Acid |
| Content of active ingredients | ≥99.5% |
| Grade | AR/ACS equivalent |
| Molecular Formula | C8H18N2O4S |
| Molecular Weight : | 238.3 |
| Buffering Range | 6.8~8.2 |
| Brand | Neocide® |
| Packaging | Pkg of 1Kg/25Kg |
| Storage | Room Temperature |
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| Items | Specification |
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| Apparence | White Powder or Crystalline |
| APHA (Color, 0.5M NaOH solution) | ≤20 |
| Solubility (Turbidity,0.5M NaOH solution) | Clear |
| Assay (Titration by HCI) | ≥99.5% |
| Infrared Spectrum Complies | Conforms to Structure |
| UV Absorbance 260mm 0.1M aqueous solution | absorbance≤0.03 |
| UV Absorbance 280mm 0.1M aqueous solution | absorbance≤0.03 |
| UV Absorbance 260mm 1.0M aqueous solution | absorbance≤0.05 |
| UV Absorbance 290mm 1.0M aqueous solution | absorbance≤0.05 |
| pH@ 25°C | 10.6~11.6 |
| Loss on drying(105℃ for 3 Hours) Wt% | ≤3.0% |
| Water insoluble | ≤0.03% |
| Heavy Metals Pb | ≤5ppm |
| Iron Fe | ≤5ppm |
| Chloride Cl | ≤5ppm |
| Calcium Ca | ≤10ppm |
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| Usage |
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| HEPES is used in various biological application such as electrophoresis, protein separation. It is a zwitterion buffer, in general to work with other buffers to provide a stable pH rage. |
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