BES BUFFER
BES BUFFER For Biochemistry
Short Name: BES BUFFER
Synonym: N,N-bis (2-hydroxyethyl) 2-aminoethane sulphonic acid
Basic Details
Article No.
LG0687
Grade
For Biochemistry
Purity
99%
CAS No.
10191-18-1
HS Code
2922.1990
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White powder
pH value
2.5- 5.0
Melting point/ Freezing point [°C]
152 - 154 °C
Solubility in water [% weight]
213.3 g/l at 20 °C
Chemical Specifications
Appearance
White powder
Assay (alkalimetric)
Min 99%
Identity (IR)
Passes test
UV absorbance (at 250 nm; 5%; 1 cm; water)
Max 0.05
Chloride (Cl)
Max 0.005%
Sulphate (SO4)
Max 0.005%
Heavy metal (as Pb)
Max 0.0005%
Sodium (Na)
Max 0.01%
Loss on drying (at 105°C)
Max 0.5%
Biological buffer, pKa at 20°C
7.15
Safety Information & Hazard Symbols
Symbol
GHS07
Signal Word
Warning
Hazardous Statement
H315-H319-H335
Precaution Statement
P261-P305 + P351 + P338