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11667289001 Sigma-Aldrich

Sodium Dodecyl Sulfate (SDS)

anionic, electrophoresis grade

Synonym: Dodecyl sodium sulfate, Dodecyl sulfate sodium salt, Lauryl sulfate sodium salt, SDS, Sodium Dodecyl Sulfate (SDS), Sodium lauryl sulfate

  • CAS Number 151-21-3

  • Empirical Formula (Hill Notation) C12H25NaO4S

  • Molecular Weight 288.38

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Properties

Related Categories Detergents, Molecular Biology, Protein Electrophoresis, Proteomics, SDS-polyacrylamide gel electrophoresis (PAGE) More...
assay   ≥97% (GC)
form   powder
mol wt   288.38 g/mol
packaging   pkg of 1 kg
mfr. no.   Roche
application(s)   HPLC: suitable
  LC/MS: suitable
solubility   H2O: soluble (clear solution (100 mg/ml in H2O))
absorption   ≤0.1 at 280 nm in water at 30 mg/mL
shipped in   ambient
storage temp.   20-25°C
InChI   1S/C12H26O4S.Na/c1-2-3-4-5-6-7-8-9-10-11-12-16-17(13,14)15;/h2-12H2,1H3,(H,13,14,15);/q;+1/p-1
InChI key   DBMJMQXJHONAFJ-UHFFFAOYSA-M

Description

General description

Pure quality, particularly suited for SDS-gel electrophoresis.

Application

Suitable in most routine electrophoretic applications as a denaturing agent for proteins.

Quality

Purity: ≥99.5 alkyl sulfate, ≥97% dodecyl sulfate (GC)
Contaminants: ≤5 ppm Pb (AA), ≤0.5% Cl (AA)

C12 fatty acids: >97% (after saponification)
Ease of removal*: –
Critical micellar concentration: 8.3 mM at +25°C
Formula: C12H25NaSO4

Preparation Note

Working concentration: > 10 mg detergent per mg protein

Other Notes

For life science research only. Not for use in diagnostic procedures.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN1325 - class 4.1 - PG 2 - Flammable solids, organic, n.o.s., HI: all
WGK Germany 
WGK 2
Flash Point(F) 
338.0 °F
Flash Point(C) 
170 °C

Documents

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