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HEPES (Acido 2-[4-(2-idrossietil)-1-piperazinil]-etansolfonico) ≥99.5% per biochimica

Fornitore: VWR Chemicals

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

441485HEA 120 EUR
441485H 441487M 44148BC
HEPES (Acido 2-[4-(2-idrossietil)-1-piperazinil]-etansolfonico) ≥99.5% per biochimica
HEPES (Acido 2-[4-(2-idrossietil)-1-piperazina ]-etansolfonico)
Formula: C₈H₁₈N₂O₄S
Peso molecolare: 238,31 g/mol
Punto di fusione: 210…215 °C
Densità: 1,448 g/cm³ (20 °C)
Temperatura di stoccaggio: Ambiente
MDL Number: MFCD00006158
CAS Number: 7365-45-9
EINECS: 230-907-9
Merck Index: 13,04672
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Risultati del test di specificazione

Assay Min. 99.5 %
Appearance White powder
Appearance of solution (1 mol/l) Clear colourless liquid
IR Spectrum Passes test
pH (1 %) 4.7 - 5.3
Ignition residue Max. 0.3 %
Water Max. 0.5 %
Cl (Chloride) Max. 300 ppm
PO4 (Phosphate) Max. 10 ppm
SO4 (Sulphate) Max. 100 ppm
Al (Aluminium) Max. 5 ppm
Cu (Copper) Max. 5 ppm
Fe (Iron) Max. 5 ppm
Na (Sodium) Max. 0.1 %
Pb (Lead) Max. 5 ppm
Absorbance (260 nm) (1 mol/l) Max. 0.10
Absorbance (280 nm) (1 mol/l) Max. 0.10

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