68841
Dextran sulfate sodium salt from Leuconostoc spp.
Mr ~20,000
form
powder
mol wt
Mr ~20,000
composition
Sulfur Content, 16.0-20.0%
loss
≤10% loss on drying
solubility
H2O: 100 mg/mL, clear, colorless to faintly greenish-yellow
storage temp.
room temp
General description
Dextran is a polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(166) linkages. The remaining (163) linkages account for the branching of dextran.
Application
Dextran sulfate is routinely used for the selective precipitation of lipoproteins, probe hybridization membrane-immobilized DNA, the release of DNA from DNA-histone complexes, and the inhibition of RNA binding to ribosomes.
Biochem/physiol Actions
Dextran sulfate can interact and bind to lipids making it useful in protein isolation techniques to remove contaminating lipid molecules.
Preparation Note
Sigma dextrans are derived from Leuconostoc mesenteroides.
Other Notes
To gain a comprehensive understanding of our extensive range of Dextrans for your research, we encourage you to visit our Carbohydrates Category page.
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Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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