Hotline (061) 6641391
HEPES has been described as one of the best all-purpose buffers available for biological research. At biological pH, the molecule is zwitterionic, and is effective as a buffer at pH 6.8 to 8.2 (pKa 7.55).
product line
BioXtra
Quality Level
Assay
≥99.5% (titration)
form
powder
technique(s)
cell culture | embryo: suitable
pH
5.0-6.5 (25 °C, 238 g/L)
useful pH range
6.8-8.2
pKa (25 °C)
7.5
7.5
solubility
water: 500 mg/mL, clear, colorless
absorption
≤0.05 at 290 in H2O at 33%
Rp 7.629.000
Rp 13.633.000
Rp 18.027.000
Rp 8.202.000
Rp 1.198.000
Rp 3.143.000
English
