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CAS NO.7365-45-9
99%(1-24)Kilogram99%(25--1)Kilogram
CAS 7365-45-9 Hydroxyethylpiperazine Ethane Sulfonic Acid HEPES | ||
Product name | HEPES | |
Cas | 7365-45-9 | |
EINECS No. | 230-907-9 | |
MF | C8H18N2O4S | |
Melting point | 234-238℃ |
Items | Standard | Result | |
Appearance | White crystalline powder | Conforms | |
Assay | ≥99.50% | 99.80% | |
Solubility (1M aq) | Clear, colorless solution | Conforms | |
PH (1 % aq) | 4.80-5.60 | 5.1 | |
Heavy metals | ≤10.0ppm | Conforms | |
Loss on drying | ≤1.00% | 0.02% | |
Residue on ignition | ≤0.1% | Conforms | |
Ultraviolet absorbance | ≤0.100 | 0.049 | |
260nm(1M aq) | |||
Ultraviolet absorbance | ≤0.070 | 0.041 | |
280nm (1M aq) | |||
Iron lon, ppm | ≤5 | Conforms | |
Sulfate, % | ≤0.05 | Conforms | |
Storage | Room temperature | ||
Conclusion | Comply with factory standard |
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