10191-18-1
Product Name:
BES
Formula:
C6H15NO5S
Synonyms:
N,N- bis-(2-Hydroxyethyl)-2-aminoethanesulfonic Acid;N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid;N,N-Bis(2-hydroxyethyl)taurine
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | White powder; [Alfa Aesar MSDS] |
|---|---|
| Chemical Classes | Other Uses -> Biological Buffers |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
COMPUTED DESCRIPTORS
| Molecular Weight | 213.25 g/mol |
|---|---|
| XLogP3 | -4.5 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 7 |
| Exact Mass | 213.06709375 g/mol |
| Monoisotopic Mass | 213.06709375 g/mol |
| Topological Polar Surface Area | 106 Ų |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 204 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
2-[bis(2-hydroxyethyl)amino]ethanesulfonic acid is a Good's buffer substance, pKa = 7.15 at 20 ℃. It is a BES and an amino sulfonic acid. It is a conjugate acid of a 2-[bis(2-hydroxyethyl)amino]ethanesulfonate. It is a tautomer of a 2-[bis(2-hydroxyethyl)ammonio]ethanesulfonate.