| CAS No.: | 7365-45-9 |
|---|---|
| Formula: | C8h18n2o4s |
| EINECS: | 230-907-9 |
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HEPES Powder
CAS 7365-45-9 (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
CAS No: 7365-45-9
Molecular Formula: C8H18N2O4S
Molecular Weight: 238.3
Molecular Structure:
Appearance: White crystal powder
Assay: 99%min
CAS 7365-45-9 (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 ºC | 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 |
CAS 7365-45-9 (HEPES) Usage
1). HEPES is used as a biochemical reagent.
2). Biological buffer.
CAS 7365-45-9 (HEPES) Packaging and Shipping
Regular package : 25kg/drum.
Delivery: 5-7 days after receipt the payment.
CAS 7365-45-9 (HEPES) Storage
2-8°C
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