Technical Data Sheet
HEPES, 5 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
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.
Free acid
€1,138.45/Pack Qty.
excl. VAT. | 5 kg per Pack Qty.
Art. No. 9105.5
In production
from 6 Pack Qty.
€1,081.53/Pack Qty.
from 24 Pack Qty.
€1,024.60/Pack Qty.
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Alternative products
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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HEPES
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| 9105.1 | 250 g | plastic |
€91.30 |
|
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| 9105.2 | 100 g | plastic |
€44.00 |
|
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| 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
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 |