HEPES (Acido 2-[4-(2-idrossietil)-1-piperazinil]-etansolfonico) ≥99% (dry basis), in polvere, ultrapuro
Fornitore: Thermo Scientific
J16926.A1EA
816
CHF
J16926.A1
J16926.22
J16926.A7
HEPES (Acido 2-[4-(2-idrossietil)-1-piperazinil]-etansolfonico) ≥99% (dry basis), in polvere, ultrapuro
HEPES (Acido 2-[4-(2-idrossietil)-1-piperazina ]-etansolfonico)
Formula:
C₈H₁₈N₂O₄S Peso molecolare: 238,31 g/mol Punto di fusione: ∼ 236 °C (dec.) Densità: 1,448 g/cm³ (20 °C) Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00006158 CAS Number: 7365-45-9 EINECS: 230-907-9 |
Risultati del test di specificazione
Assay (Unspecified) | ≥99.0% (Dry Basis) |
Identification (FTIR) | Conforms |
pKa (20 °C) | 7.55 ±0.15 |
A (250 nm, 1 M, 1 cm) | ≤0.2 |
Loss on Drying | ≤0.5% |
Residue on Ignition | ≤0.1% |
Chloride (Cl) | ≤0.005% |
Phosphate (PO₄) | ≤0.001% |
Sulphate (SO₄) | ≤0.01% |
Iron (Fe) | ≤5 ppm |
Heavy Metals (Pb) | ≤10 ppm |
Assay (Unspecified) Absorbance (250 nm, 1 M, 1 cm) | ≤0.2 |
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