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H2393

Sigma-Aldrich

HEPES sodium salt hydrate

≥99% (titration)

Sinónimos:

N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) hemisodium salt

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About This Item

Fórmula lineal:
C8H17N2O4SNa
Número de CAS:
75277-39-3
Peso molecular:
260.29
EC Number:
278-169-7
MDL number:
MFCD00150464
UNSPSC Code:
12161700
PubChem Substance ID:
24895161

Quality Level

200

assay

≥99% (titration)

form

powder

useful pH range

6.8-8.2

 

7.5

pKa 

7.5

solubility

water: 500 mg/mL, clear, colorless to faintly yellow

storage temp.

room temp

SMILES string

O.[Na+].OCCN1CCN(CC1)CCS([O-])(=O)=O

InChI

1S/C8H18N2O4S.Na.H2O/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;;/h11H,1-8H2,(H,12,13,14);;1H2/q;+1;/p-1

InChI key

ZNJHFNUEQDVFCJ-UHFFFAOYSA-M

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
SLBP1947V
SLBG6023V
SLBK6625V
SLBF8282V
SLBB8450V

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Peng Yang
Macromolecular bioscience, 12(8), 1053-1059 (2012-06-19)
When lysozyme is dissolved in a neutral HEPES buffer solution (pH = 7.4) with 0.001-0.050 M TCEP added, a fast phase transition process occurs and the resulting novel fiber-like hierarchical supramolecular assemblies made by primary spherical-particle aggregation can function as a "superglue"
Anca G Delgado et al.
Microbial cell factories, 11, 128-128 (2012-09-15)
Buffering to achieve pH control is crucial for successful trichloroethene (TCE) anaerobic bioremediation. Bicarbonate (HCO3-) is the natural buffer in groundwater and the buffer of choice in the laboratory and at contaminated sites undergoing biological treatment with organohalide respiring microorganisms.
Hubert Gojzewski et al.
Scanning, 34(3), 159-169 (2011-09-29)
In this study, we deposited isolated magnetosomes from magnetotactic bacteria Magnetospirillum strain AMB-1 onto solid surfaces using spin coating (SC) and drop coating (DC) techniques. Four imaging techniques have been used to visualize the sample structure: scanning and transmission electron
Tina Vognsen et al.
Biochemical and biophysical research communications, 420(1), 188-192 (2012-03-15)
The crystal structure of the NTF2-like domain of the Drosophila homolog of Ras GTPase SH3 Binding Protein (G3BP), Rasputin, was determined at 2.7Å resolution. The overall structure is highly similar to nuclear transport factor 2: It is a homodimer comprised
Christian Giaume et al.
Methods in molecular biology (Clifton, N.J.), 814, 283-303 (2011-12-07)
A typical feature of astrocytes is their high level of connexin expression. These membrane proteins constitute the molecular basis of two types of channels: gap junction channels that allow direct cytoplasm-to-cytoplasm communication and hemichannels that provide a pathway for exchanges
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