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HEPES, 1 kg

PUFFERAN® ≥99,5 %, p.a.
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N-2-Hydroxyethylpiperazine-N'-2-ethane sulphonic acid, Good's buffer
Empirical formula C8H18N2O4S
Molar mass (M) 238,31 g/mol
Flash point (flp) 124 °C
Melting point (mp) 212,6 °C
WGK 1
CAS No. 7365-45-9
EG-Nr. 230-907-9

For biochemistry and molecular biology.

€310.70/Pack Qty. 

excl. VAT. | 1 kg per Pack Qty.

Art. No. 9105.3

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Product details


Free acid



HEPES PUFFERAN® ≥99,5 %, p.a.

Application examples:
  • Reduction of clotting time during analysis of factors V and VIII, during APTT and PT tests and during thrombin mediated clotting in plasma
  • Ideal for gel filtration of thrombocytes from human blood
  • For routine analysis of enteroviruses
  • Reagent in plasma urea determination

Buffer reagent according to Good. High buffer capacity at physiological pH-values.



HEPES
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Art. No. Pack Qty. Pack. Price Quantity
9105.1 250 g plastic

€91.30

9105.2 100 g plastic

€44.00

9105.3 1 kg plastic

€310.70

9105.4 500 g plastic

€177.40

9105.5 5 kg plastic

€1,138.45

9105.6 2.5 kg plastic

€611.70

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Downloads / MSDS


Certificates of Analysis

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The following analysis certificates have been found:

Guarantee analysis

Assay (titr.)≥99,5 %
Solubility (0,1 M in H2O)clear, complete
pH value (5 % in H2O)5,0-6,0
Sulphated ash≤0,1 %
Loss of drying (140 °C, 30 min)≤0,2 %
Chloride (Cl)≤0,005 %
Phosphate (PO4)≤0,01 %
Sulphate (SO4)≤0,01 %
Lead (Pb)≤0,0005 %
Cadmium (Cd)≤0,0005 %
Calcium (Ca)≤0,05 %
Iron (Fe)≤0,0005 %
Copper (Cu)≤0,0005 %
Magnesium (Mg)≤0,0005 %
Nickel (Ni)≤0,005 %
Heavy metals (as Pb)≤0,0005 %
Absorbance
260 nm≤0,05
280 nm≤0,04
405 nm≤0,03