BES

Melting point :150-155 °C
Density :1.210 (estimate)
vapor pressure :0.001Pa at 25℃
refractive index :1.5500 (estimate)
storage temp. :room temp
solubility :H₂O: 1 M at 20 °C, clear, colorless
form :Powder
color :White
PH :2.5-5.0 (25℃, 1M in H2O)
pka :7.1(at 25℃) 7.15(at 20℃)
PH Range :6.4 - 7.8
Water Solubility :Soluble
λmax :λ: 260 nm Amax: 0.095
λ: 280 nm Amax: 0.080 BRN :1781572
InChI :1S/C6H15NO5S/c8-4-1-7(2-5-9)3-6-13(10,11)12/h8-9H,1-6H2,(H,10,11,12)
InChIKey :AJTVSSFTXWNIRG-UHFFFAOYSA-N
SMILES :OCCN(CCO)CCS(O)(=O)=O
LogP :-3.59 at 26℃
CAS DataBase Reference :10191-18-1(CAS DataBase Reference)
NIST Chemistry Reference :N,n-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid(10191-18-1)
EPA Substance Registry System :Ethanesulfonic acid, 2-[bis(2-hydroxyethyl)amino]- (10191-18-1)
Absorption :≤0.080 at 280 in H2O at 1M
≤0.095 at 260 in H2O at 1M

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	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.