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Product Name

 BES BUFFER (FOR BIOCHEMISTRY)

Article No

 B0040200100

CAS No

 10191-18-1

Molecular Formula

 C6H15NO5S

Molecular Weight

 213.25

Specifications

Appearance:

 White powder

Identity (IR):

 Passes test

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%

Assay (alkalimetric):

 Min 99%

UV absorbance (at 250 nm; 5%; 1 cm; water):

 Max 0.05%

Biological buffer, pKa at 20°C:

 7.15