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HEPES, 250 g

PUFFERAN® ≥99,5 %, p.a.
Related products
Pack Qty.
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
CAS No. [7365-45-9]
EG-Nr. 230-907-9

For biochemistry and molecular biology.

€75.15 /Pack Qty.

€52.55/Pack Qty.  Campaign price!

excl. VAT. | 250 g per Pack Qty.

Art. No. 9105.1

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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.

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Order No. Pack Qty. Pack. Price Quantity
9105.1 250 g plastic


9105.2 100 g plastic


9105.3 1 kg plastic


9105.4 500 g plastic


9105.5 5 kg plastic


9105.6 2.5 kg plastic


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  1. Subtotal:  0.00

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 %
260 nm≤0,05
280 nm≤0,04
405 nm≤0,03

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