HEPES Quick Details
Chemical Name: HEPES
Synonyms: 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid; N-2-Hydroxyethylpiperazine-N’-2-ethanesulfonic acid; 2-[4-(2-Hydroxyethyl)-1-piperazine]ethanesulfonic acid; 2-(4-(2-Hydroxyethyl)piperazin-1-yl)ethanesulfonic acid; 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid; 4-(2-hydroxyethyl)-1-piperazine ethanesulfonic acid; 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid
CAS No: 7365-45-9
Molecular Formula: C8H18N2O4S
Molecular Weight: 238.3
Molecular Structure:
Appearance: White crystal powder
Assay: 99%min
HEPES Typical Properties
Item |
Specifications |
Appearance |
White crystal powder |
Assay(potertiometric cal on dry substance |
Min 99.5% |
Color ( 1M solution) |
Pass test |
PKa at 20 ℃ |
7.4-7.7 |
Heavy metals ( Pb ) |
<5ppm |
Sulfate |
<0.05% |
Residue on Ignition |
<0.1% |
Loss on drying (105 C,3 hours |
<1% |
UV absobance/260nm |
<0.5 |
UV absobance/280nm |
<0.5 |
UV absobance/440nm |
<0.2 |
HEPES Usage
1). HEPES is used as a biochemical reagent.
2). Biological buffer.
HEPES Packaging and Shipping
Regular package : 25kg/drum.
Delivery: 5-7 days after receipt the payment.
HEPES Storage
2-8°C