BES

Names

[ Name ]:
BES

[Synonym ]:
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]
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
MFCD00007533
BES
2-[Bis(2-hydroxyethyl)amino]ethanesulfonic acid
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulphonic acid
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
EINECS 233-465-5
Taurine, N,N-bis(2-hydroxyethyl)-
bis hydroxyethylaminoethane sulphonic acid

Biological Activity

[Description]:

BES is a secondary standard biochemical buffer with effective pH range of 6.4 to 7.8 (pKa: 7.15 at 20 ℃). BES is used in the diagnostic testing area.

[Related Catalog]:

Research Areas >> Others

Signaling Pathways >> Others >> Others

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Melting Point ]:
150-155 °C

[ Molecular Formula ]:
C₆H₁₅NO₅S

[ Molecular Weight ]:
213.252

[ Exact Mass ]:
213.067093

[ PSA ]:
106.45000

[ LogP ]:
-2.52

[ Index of Refraction ]:
1.548

[ Storage condition ]:
Store at RT.

[ Water Solubility ]:
Soluble

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: KI7363500

CHEMICAL NAME :: Ethanesulfonic acid, 2-(bis(2-hydroxyethyl)amino)-

CAS REGISTRY NUMBER :: 10191-18-1

BEILSTEIN REFERENCE NO. :: 1781572

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C6-H15-N-O5-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - quail

DOSE/DURATION :: >316 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: EESADV Ecotoxicology and Environmental Safety. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1977- Volume(issue)/page/year: 6,149,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2451 No. of Facilities: 48 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 598 (estimated) No. of Female Employees: 456 (estimated)

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
KI7363500

[ HS Code ]:
29221980

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2922199090

[ Summary ]:
2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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Unlike the conservation of sex-determining (SD) modes seen in most mammals and birds, teleost fishes exhibit a wide variety of SD systems and genes. Hence, the study of SD genes and sex chromosome tur...

Peptide Bioconjugates of Electron-Poor Metallocenes: Synthesis, Characterization, and Anti-Proliferative Activity.

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Enhanced Shewanella biofilm promotes bioelectricity generation.

Biotechnol. Bioeng. 112 , 2051-9, (2015)

Electroactive biofilms play essential roles in determining the power output of microbial fuel cells (MFCs). To engineer the electroactive biofilm formation of Shewanella oneidensis MR-1, a model exoel...

BES