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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 |
Items | Specification | |||
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 |
Usage | ||||
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. | ||||
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 |
Items | Specification | |||
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 |
Usage | ||||
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. | ||||