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ChemicalBook CAS DataBase List HEPES sodium salt

HEPES sodium salt Structure

HEPES sodium salt

Product NameHEPES sodium salt
CAS75277-39-3
CBNumberCB9773992
MFC8H19N2NaO4S
MW262.3
EINECS278-169-7
MDL NumberMFCD00036463
MOL File75277-39-3.mol
MSDS FileSDS

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 Range	6.8 - 8.2
PH	10.0-12.0 (1M in H2O)
pka	7.5(at 25℃)
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)
FDA UNII	Z9FTO91O8A
EPA Substance Registry System	1-Piperazineethanesulfonic acid, 4-(2-hydroxyethyl)-, monosodium salt (75277-39-3)

Safety

Symbol(GHS)

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P280-P304+P340-P305+P351+P338

Safety Statements

WGK Germany

3

F

TSCA

Yes

HS Code

29335995

NFPA 704:

	1
0		1

HEPES sodium salt Price

Product number	Packaging	Price	Product description	Buy
Sigma-Aldrich 391333	100G	$153	HEPES, Sodium Salt, ULTROL® Grade A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):0.10.	Buy
Sigma-Aldrich 391333	500G	$546	HEPES, Sodium Salt, ULTROL® Grade A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):0.10.	Buy
Sigma-Aldrich 391333	1KG	$831	HEPES, Sodium Salt, ULTROL® Grade A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):0.10.	Buy
Sigma-Aldrich RES6007H-A7	1pkg	$7875	HEPES sodium salt PharmaGrade, Manufactured under appropriate controls for use as a raw material in pharma or biopharmaceutical production, suitable for cell culture	Buy
Sigma-Aldrich H2393	1kg	$1190	HEPES sodium salt hydrate ≥99% (titration)	Buy

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