General description
A zwitterionic N-substituted aminosulfonic acid buffer. HEPES has its maximum buffering capacity very near the pH of mammalian tissue fluids (pKa of 7.31 at 37°C). Exhibits no metal binding and has a small temperature dependent ΔpKa of -0.014/°C.
A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.
Absorbance (1.0 M, H2O, 260 nm):≤0.05.
Absorbance (1.0 M, H2O, 280 nm): ≤0.04
Warning
Toxicity: Irritant (B)
Reconstitution
Following reconstitution, store at room temperature (20°C). Stock solutions are stable for up to 6 months at 20°C.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany
- UPC:
- 51285402
- Condition:
- New
- Weight:
- 1.00 Ounces
- HazmatClass:
- No
- WeightUOM:
- LB
- MPN:
- 391338-1KG
