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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

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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