Skip to Content
Merck
All Photos(2)

Documents

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)

Sign Into View Organizational & Contract Pricing
All Photos(2)

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)

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

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 2

1 of 2

CAPS ≥99%

Sigma-Aldrich

C2632

CAPS

TAPS sodium salt ≥99% (titration)

Sigma-Aldrich

T0647

TAPS sodium salt

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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service