4-(2-hydroxyerhyl)piperazine-1-erhanesulfonic acid
Min.Order / FOB Price:Get Latest Price
| 1 Kilogram |
FOB Price: USD 1.0000 |
- Min.Order :1 Kilogram
- Purity: 99%
- Payment Terms : L/C,T/T
Keywords
4-(2-hydroxyerhyl)piperazine-1-erhanesulfonic acid HEPES CAS:7365-45-9
Quick Details
- Appearance:White powder
- Application:Biological buffer
- PackAge:25kg/drum
- ProductionCapacity:2000|Metric Ton|Year
- Storage:Store in cool and dry place, away from sun light.
- Transportation:By sea or by air
Superiority:
Name: 4-(2-hydroxyerhyl)piperazine-1-erhanesulfonic acid
CAS NO.: 7365-45-9
Molecular formula:C8H18N2O4S
Molecular weight:238.3
EINECS NO.: 230-907-9
Details:
|
Item |
Specifications |
Results |
|
Appearance |
Free flowing white powder |
Free flowing white powder |
|
Assay(potertiometric cal on dry substance |
≥99.5% |
99.8% |
|
Color ( 1M solution) |
Pass test |
conform |
|
PKa at 20°C |
7.4-7.7 |
7.5 |
|
Heavy metals(Pb) |
≤5ppm |
4ppm |
|
Sulfate |
≤0.05% |
0.008% |
|
Residue on Ignition |
≤0.1% |
0.03% |
|
Loss on drying (105 °C,3 hours |
≤1% |
0.1% |
|
UV absobance/260nm |
≤0.5 |
0.305 |
|
UV absobance/280nm |
≤0.5 |
0.205 |
|
UV absobance/440nm |
≤0.2 |
0.055 |
|
Conclusion |
The results conforms with enterprise standards |
|
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