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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