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Update to Avantor’s response to the coronavirus (COVID-19) pandemic

Sodium dodecyl sulphate (SDS) ≥99%, white powder

Supplier: E. Becker & Co. GmbH
Danger

0219483125 0219483180 0219483183 0219483190 0219483191
IC0219483125EA 59.46 USD InStock
IC0219483125 IC0219483180 IC0219483183 IC0219483190 IC0219483191
Sodium dodecyl sulphate (SDS) ≥99%, white powder
Sodium dodecyl sulphate (SDS)
SDS is an detergent typically used to solubilize and denature proteins for electrophoresis. SDS has also been used in large-scale phenol extraction of RNA to promote the dissociation of protein from nucleic acids when extracting from biological material. SDS is used in Protein Electrophoresis & Blotting.

SDS is an anionic detergent and wetting agent that is effective in both acid and alkaline solutions. Most proteins bind SDS in a ratio of 1.4 grams SDS to 1 gram protein. The charges intrinsic to the protein become insignificant compared to the overall negative charge provided by the bound SDS. The charge to mass ratio is essentially the same for each protein and will migrate in the gel based only on protein size. The salt is of an organosulfate consisting of a 12-carbon tail attached to a sulfate group, giving the material the amphiphilic properties required of a detergent.


Formula: CH₃(CH₂)₁₁OSO₃Na
Melting Pt: 180…210 °C
Density: 1,1 at 20 °C (water = 1)
Flash Pt: 199 °C
Storage Temperature: Ambient
 MDL Number: MFCD00036175
CAS Number: 151-21-3
EINECS: 205-788-1
UN: 2296
ADR: 4.1,II
https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=8277ce6a5293059a472fc8e879ddad557808e93d&vid=8277ce6a5293059a472fc8e879ddad557808e93d&prid=web&clid=SAPDAM
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Specification Test Results
Identity Test Passes
Purity ~99%
FTIR Conforms to Standard
Melting Point 182 - 210 °C
OD260 nm (1% aq soln) <0.1
OD280 nm (1% aq soln) <0.1
pH (1% aq soln) 6 - 7

 

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