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H6903

Sigma-Aldrich

HEPBS

≥99% (titration), powder, pH 7.6-9.0

Synonym(s):

PBS, phosphate buffered saline, N-(2-Hydroxyethyl)piperazine-N′-(4-butanesulfonic acid)

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About This Item

Empirical Formula (Hill Notation):
C10H22N2O4S
CAS Number:
161308-36-7
Molecular Weight:
266.36
MDL number:
MFCD00677124
UNSPSC Code:
12161700
NACRES:
NA.25

product name

HEPBS, ≥99% (titration)

Quality Level

200

assay

≥99% (titration)

form

powder

pH

7.6-9.0

useful pH range

7.6-9.0

pKa (25 °C)

8.3

pKa 

8.3

solubility

water: 0.5 g/mL, clear to slightly hazy, colorless to faintly yellow

application(s)

diagnostic assay manufacturing

InChI

1S/C10H22N2O4S/c13-9-8-12-6-4-11(5-7-12)3-1-2-10-17(14,15)16/h13H,1-10H2,(H,14,15,16)

InChI key

LOJNFONOHINEFI-UHFFFAOYSA-N

Related Categories

General description

HEPBS/N-(2-Hydroxyethyl)piperazine-N′-(4-butanesulfonic acid) is mainly used in buffer preparations.

Linkage

Homolog of HEPES and EPPS with higher pKa and similar utility in biological systems.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Template-Directed Synthesis in 3?-and 5?-Direction with Reversible Termination
Kaiser A, et al.
Angewandte Chemie (International Edition in English), 51(33), 8299-8303 (2012)
T Thiel et al.
Journal of biochemical and biophysical methods, 37(3), 117-129 (1998-12-31)
Four new zwitterionic butanesulfonic acid buffers that are structurally related to four families of Good buffers were evaluated for use in biological systems. These buffers, with pKa values from 7.6 to 10.7, were compared with a variety of other buffers
Michael Bachmann et al.
Journal of cell science, 133(9) (2020-03-21)
αVβ3 integrin can bind to multiple extracellular matrix proteins, including vitronectin (Vn) and fibronectin (Fn), which are often presented to cells in culture as homogenous substrates. However, in tissues, cells experience highly complex and changing environments. To better understand integrin

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