BES BUFFER For Biochemistry

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC1291 For Biochemistry 99% 10191-18-1 C6H15NO5S 213.25 2922.1990 60 Months

Packings

25 g,100 g

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

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 and Hazard Symbols

Exclamation Mark
Symbol GHS07
Signal Word Warning
UN No.
IMCO Class No.
Packing Group
Hazardous Statement H315-H319-H335
Precaution Statement P261-P305 + P351 + P338
Risk Statement
Safety Statement
Revision Date : 29-Nov-2018