Product Datasheet and Specification
00409
BES buffer 99% For Biochemistry
N,N-bis (2-hydroxyethyl) 2-aminoethane sulphonic acid
CAS : 10191-18-1
HS Code : 2922.19900
Molecular Formula : C6H15NO5S
Molecular Weight : 213.25
Shelf Life : 60 Months
Specifications
Appearance
White powder |
Assay (alkalimetric)
Min 99.0% |
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 |