2-[4 (2-Hydroxietyl)-1-piperazinyl]-ethan sulfonsyra 99 Torr_basis, powder, ultrapure
Leverantör: Thermo Fisher Scientific
Synonyms:
HEPES free acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulphonic acid), 4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid, N-2-Hydroxyethylpiperazine-N′-2-ethanesulphonic acid, 2-(4-(2-Hydroxyethyl)piperazin-1-yl)ethanesulphonic acid
J16926.A1
J16926.22
J16926.A7
J16926.A1EA
10575
SEK
J16926.A1
J16926.22
J16926.A7
2-[4 (2-Hydroxietyl)-1-piperazinyl]-ethan sulfonsyra 99 Torr_basis, powder, ultrapure
HEPES
Formel:
C₈H₁₈N₂O₄S MW: 238.31 g/mol Smältpunkt: ∼ 236 °C (dec.) Densitet: 1.448 g/cm³ (20 °C) Storage Temperature: Omgivande |
MDL Number:
MFCD00006158 CAS nummer: 7365-45-9 EINECS: 230-907-9 Merck Index: 14,04654 |
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Specifikation testresultat
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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