HEPES sodium salt solution (1M)CAS: 75277-39-3
MF: C8H17N2NaO4S
MW: 260.29
An all-purpose buffer for use in biological research. 0.2 μm filtered.

HEPES sodium salt solution (1M) (CAS 75277-39-3)

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Application: An all-purpose buffer for use in biological research. 0.2 μm filtered
CAS Number: 75277-39-3
Molecular Weight: 260.29
Molecular Formula: C8H17N2NaO4S
* Refer to Certificate of Analysis for lot specific data (including water content).
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HEPES sodium salt solution (1M) is a zwitterionic buffer used to maintain pH of solutions. The sodium salt of HEPES is more soluble than it's free acid counterpart. Useful pH Range: 6.8 to 8.2.
Also available: HEPES Buffer Solution (1M) (sc-286961)


1. Good, N.E., et al. 1966. Biochemistry. 5: 467-477. PMID: 5942950
2. Medzon, E.L., et al. 1971. Can. J. Microbiol. 17: 651-653. PMID: 5104240
3. Good, N.E. and Izawa, S. 1972. Meth. Enzymol. 24: 53-68. PMID: 4206745
4. Himmel, H.M., et al. 1987. J. Clin. Chem. Clin. Biochem. 25: 909-913. PMID: 3127532
5. Stoscheck, C.M., et al. 1990. Meth. Enzymol. 182: 50-68. PMID: 2314256

Usage :
HEPES sodium salt solution (1M) is prepared with high-quality reagents and 0.2 μm filtered; however it has not been evaluated for use in cell culture. Please employ appropriate sterilization techniques for the intended application.
Formulation :
0.90 - 1.10 M
Physical State :
Storage :
Store at 4° C
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
PubChem CID :
MDL Number :
EC Number :

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What is the pH of this buffer (HEPES sodium salt solution (1M) (CAS 75277-39-3))? Thanks.

Asked by: Promod
Thank you for your question The pH is 7.0 - 8.0 at 25 °C in neat conditions
Answered by: Santa Cruz TS
Date published: 2018-04-23
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