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71725 Sigma-Aldrich

Sodium dodecyl sulfate

BioUltra, for molecular biology, ≥99.0% (GC)

Synonym: Dodecyl sodium sulfate, Dodecyl sulfate sodium salt, Lauryl sulfate sodium salt, SDS, Sodium lauryl sulfate

  • CAS Number 151-21-3

  • Linear Formula CH3(CH2)11OSO3Na

  • Molecular Weight 288.38

  •  Beilstein/REAXYS Number 3599286

  •  EC Number 205-788-1

  •  MDL number MFCD00036175

  •  eCl@ss 39093306

  •  PubChem Substance ID 57652353

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Properties

Related Categories Alkyl Sulfates, Alphabetical, Anionic Detergents, Antigen-Vaccine Preparation, BioUltra,
grade   for molecular biology
description   anionic
InChI Key   DBMJMQXJHONAFJ-UHFFFAOYSA-M
product line   BioUltra
assay   ≥99.0% (GC)
mol wt   micellar avg mol wt 18,000
aggregation number   62
impurities   DNases, none detected
  RNases, none detected
  insoluble matter, passes filter test
  phosphatases, none detected
  proteases, none detected
loss   ≤3% loss on drying, 20 °C (HV)
CMC   7-10 mM (20-25°C)
mp   204-207 °C (lit.)
transition temp   cloud point >100 °C
solubility   H2O: 0.1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤200 mg/kg
  phosphate (PO43-): ≤1 mg/kg
cation traces   Al: ≤5 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤200 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   0.1 M in H2O
UV absorption   λ: 260 nm Amax: 0.04
  λ: 280 nm Amax: 0.02
HLB   40
suitability   suitable for electrophoresis

Description

Application

Anionic detergent

SDS-polyacrylamide gel electrophoresis for the analysis of cell-free translation products

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Precautionary statements 
RIDADR 
UN1325 - class 4.1 - PG 3 - Flammable solids, organic, n.o.s., HI: all
WGK Germany 
2
RTECS 
WT1050000
Flash Point(F) 
338 °F
Flash Point(C) 
170 °C
Protocols & Articles

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Peer-Reviewed Papers
15

References

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