HEPES sodium salt ≥99.0% for molecular biology
Supplier: MP BIOMEDICALS (FKA ICN BIOMED
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
HEPES is a zwitterionic organic chemical buffering agent.
HEPES is widely used in many biochemical reactions and as a buffering agent in some cell culture media. It is used in a protein deposition technique in electron microscopy because it did not affect metal substrates.
Formula:
C₈H₁₇N₂NaO₄S MW: 260.29 g/mol |
MDL Number:
MFCD00036463 CAS Number: 75277-39-3 |
Specification Test Results
Physical Appearance | White Powder |
pH | 9.5 - 10.8 (1% aq soln); Useful pH range=6.8-8.2(Lit) |
pKa | 7.55 at 25 °C (Lit.) |
Loss on Drying | <3.0% |
Solubility | Soluble in water. |
Sterilization of Solutions | Solutions may be autoclaved under standard conditions |
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