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HEPES sodium salt HEPES-NA 75277-39-3

N-(2-hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid), or HEPES, is one of the best buffers for all biological studies. HEPES is a zwitterionic organic chemical buffer at most physiological pHs, which is one of Good's buffer reagents, and has the strongest buffering capacity in the pH range of 6.0-8.5.

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Model:
75277-39-3
Brand:
jnfuchemical
Code:
75277-39-3

Product Description

HEPES sodium salt Basic information
Product Name:	HEPES sodium salt
CAS:	75277-39-3
MF:	C8H19N2NaO4S
MW:	262.3
EINECS:	278-169-7
Mol File:	75277-39-3.mol
HEPES sodium salt Chemical Properties
Melting point	234 °C
density	1.504[at 20℃]
vapor pressure	0Pa at 25℃
storage temp.	room temp
solubility	H2O: 1 M at 20 °C, clear, colorless
form	dry powder
color	White
PH	10.0-12.0 (1M in H2O)
PH Range	6.8 - 8.2
pka	7.5(at 25℃)
biological source	synthetic
Water Solubility	It is soluble in water.
Sensitive	Hygroscopic
Stability:	Stable. Hygroscopic - protect from moisture. Incompatible with strong oxidizing agents.
CAS DataBase Reference	75277-39-3(CAS DataBase Reference)
EPA Substance Registry System	1-Piperazineethanesulfonic acid, 4-(2-hydroxyethyl)-, monosodium salt (75277-39-3)
Absorption	≤0.2 at 260 in H2O at 1M
Absorption	≤0.2 at 280 in H2O at 1M