HEPES sodium salt ≥99.5% for biopharmaceutical production

Supplier: VWR Chemicals

Synonyms: Sodium 4-(2-hydroxyethyl)piperazin-1-ylethanesulphonate, Sodium 2-(4-(2-hydroxyethyl)piperazin-1-yl)ethanesulphonate, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulphonic acid) sodium salt, 4-(2-Hydroxyethyl)piperazine-1-ethanesulphonic acid sodium salt, HEPES sodium, HEPES Na

VWRC30567.297EA 545 SGD
VWRC30567.297 VWRC30567.366 VWRC30567.468
HEPES sodium salt ≥99.5% for biopharmaceutical production
HEPES sodium salt
Formula: C₈H₁₇N₂NaO₄S
MW: 260,29 g/mol
Melting Pt: > 105 °C
Storage Temperature: Ambient
MDL Number: MFCD00036463
CAS Number: 75277-39-3
EINECS: 278-169-7
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Specification Test Results

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 and complete
pH (1 %) 9.5 - 10.5
pKa (25°C) 7.4 - 7.7
Heavy metals (as Pb) Max. 5 ppm
Loss on drying (105°C) Max. 2.0 %
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
Zn (Zinc) Max. 5 ppm
Absorbance (260 nm) (1 mol/l) Max. 0.5
Absorbance (280 nm) (1 mol/l) Max. 0.5
Bioburden Max. 100 CFU/g
Endotoxin (0,2 %) Max. 0.1 EU/mg

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