Introduction and application of CAS 10191-18-1 | BES
N,N-Bis-(2-hydroxyethyl)aminoethanesulfonic acid (BES) is a linear polymerization catalyst used in the production of polymers. It is composed of a sulfonate group and two hydroxyl groups, which are responsible for its catalytic activity.
The synthesis of polymers with BES as a catalyst can be achieved by the addition of an organic monomer to a polymerization reactor containing BES. The use of this polymerization catalyst has been shown to reduce the energy input required for production, leading to increased efficiency.
In addition, it has been shown that the use of BES as a catalyst produces polymers with better mechanical properties than those produced using other catalysts. It also increases the film strength and permeability of membranes made from these polymers.
Application:
Laboratory development and pharmaceutical synthesis;
Biological buffer
Synonyms:
[bis(2-hydroxyethyl)amino]ethanesulfonic acid;
N,N-Bis(hydroxyethyl)-2-aminoethanesulfonic acid;
BES (buffering agent);
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic Acid[BES];
Ethanesulfonic acid,2-[bis(2-hydroxyethyl)amino];
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid;
N,N-bis(2-hydroxyethyl)taurine;
2-(Bis(2-hydroxyethyl)amino)ethanesulfonic acid;
2-(Bis(2-Hydroxyethyl)Amino)-Ethanesulfonicacid;
BES;
Taurine,N,N-bis(2-hydroxyethyl);
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic Acid [Good's buffer component;
N,N-bis-(2-hydroxyethyl)-2-aminoethanesulphonic acid;
bis hydroxyethylaminoethane sulphonic acid;
Specification of CAS 10191-18-1 | BES
|
ITEMS |
SPECIFICATION |
|
CAS |
10191-18-1 |
|
Molecular Formula |
C6H15NO5S |
|
Molecular Weight |
213.25 |
|
EINECS |
233-465-5 |
|
Density |
1.210 (estimate)) |
|
Melting point |
150-155 °C |
|
solubility |
H2O: 1 M at 20 °C, clear, colorless |
|
acidity coefficient(pKa)
|
7.1(at 25℃) 7.15(at 20℃) |
Package and transportation of Introduction and application of CAS 10191-18-1 | BES
Package:5g,25g,100g,500g,1kg,25kg
Transportation: by courier/ by air/ by sea


Related Articles of CAS 10191-18-1 | BES
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic Acid-assisted Liquid-phase Growth of Au@Pd Core–Shell Nanoparticles with High Catalytic Activity
W Zhang, H Zhao, Z Lu, F Chen, R Chen
Chemistry Letters, 2015•journal.csj.jp
Au@Pd core–shell nanoparticles were successfully synthesized via sequential reduction of Au(III) and Pd(II) ions with N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid (BES) at room temperature. Their size and morphology could be changed by varying the BES concentration and pH value of the reaction system. The Au@Pd core–shell nanoparticles exhibited significantly higher catalytic activity for various Suzuki reactions than monometallic Pd or Au nanoparticles. The size-dependent catalytic activity was also observed, i.e., the Au@Pd core–shell nanoparticles of <10 nm showed higher activity.
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