HEPES ≥99.5% for biokjemi

Leverandør: VWR Chemicals

441487MEA 6175 NOK
441487M 441485H 44148BC
HEPES ≥99.5% for biokjemi
HEPES
Formel: C₈H₁₈N₂O₄S
MW: 238,31 g/mol
Smeltepunkt: 210…215 °C
Tetthet: 1,448 g/cm³ (20 °C)
Lagringstemperatur: Romtemperatur
MDL nummer: MFCD00006158
CAS-nummer: 7365-45-9
EINECS: 230-907-9
Merck Indeks: 13,04672
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Spesifikasjon Testresultater

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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