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Product introduction of HEPES (7365-45-9)

2015-08-21 来源:转载自第三方
Product Name: 4-Hydroxyethylpiperazineethanesulfonic acid (HEPES)
Alias: N-(2-hydroxyethyl)piperazine-N'-2-ethanesulfonic acid
CAS No.: 7365-45-9
Item No.: Q0005
Molecular formula: C8H18N2O4S
Molecular weight: 238.305
Density: 1.07 g/mL
Melting / boiling point: 234-238 ° C (MP)
Content / Specification: 99.0% ~ 101.0%
Appearance: white crystalline powder
Uses: biological buffer
Storage conditions: normal temperature
The chemical name of HEPES is 4-hydroxyethylpiperazineethanesulfonic acid (CAS: 7365-45-9), a white crystalline powder. The pH buffer range is 6.8~8.2 and has a pKa of 7.5 at 25°C. In biological experiments, it is an important pH stabilizing agent, usually by selecting an appropriate weak acid and its conjugate base to give a suitable pH. Most biological reactions occur under neutral conditions, and the acid-base form of the buffer is not required to chelate with certain metal ions.
TAG list: custom synthesis, diagnostic reagents, biochemical reagents, intermediate bulk drugs, electronic chemicals


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