Agarose for Chromatography, Cross-linked

Agarose for Chromatography, Cross-linked (61970-08-9)

Chromatographic reagent grade of commerce.

Prepared from agarose by reaction with 2,3-dibromopropanol in strongly alkaline conditions.

Swollen beads 60 µm to 140  µm in diameter presented as a 4% suspension in water. It is used in size-exclusion chromatography for the separation of proteins with relative molecular masses of 6  ×  10⁴ to 20  ×  10⁶ and of polysaccharides with relative molecular masses of 3  ×  10³ to 5  ×  10⁶.