2-[4 (2-Hydroxietyl)-1-piperazinyl]-ethan sulfonsyra, vattenfri ≥99.5% för biofarmaseutisk produktion

Leverantör: 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

30487.297EA 4075 SEK
30487.297 30487.366 30487.468
2-[4 (2-Hydroxietyl)-1-piperazinyl]-ethan sulfonsyra, vattenfri ≥99.5% för biofarmaseutisk produktion
HEPES

HEPES

Formel: C₈H₁₈N₂O₄S
MW: 238,31 g/mol
Smältpunkt: 210…215 °C
Densitet: 1,448 g/cm³ (20 °C)
Storage Temperature: Omgivande
MDL Number: MFCD00006158
CAS nummer: 7365-45-9
EINECS: 230-907-9
Merck Index: 13,04672
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Specifikation testresultat

Assay Min. 99.5 %
Appearance White crystalline powder
Cell culture toxicity Passes test
DNases Not detected
Identification by IR Conforms to structure
Proteases Not detected
RNases Not detected
Solubility (1 mol/l) Clear.colourless.complete
pKa (20°C) 7.45 - 7.65
Heavy metals (as Pb) Max. 5 ppm
Ignition residue Max. 0.3 %
Water Max. 0.5 %
Ca (Calcium) Max. 5 ppm
Cu (Copper) Max. 5 ppm
Fe (Iron) Max. 5 ppm
Mg (Magnesium) Max. 5 ppm
Mn (Manganese) Max. 5 ppm
Absorbance (260 nm) (1 mol/l) Max. 0.10
Absorbance (280 nm) (1 mol/l) Max. 0.10
Bioburden Max. 100 CFU/g
Endotoxin (0,2 %) Max. 0.1 EU/mg

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