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Sodium Dodecyl Sulfate (SDS), Lauryl

Time:2015/10/27 2:33:28


Thermo Scientific Sodium Dodecyl Sulfate (Lauryl) is standard-grade SDS detergent for use in protein polyacrylamide gel electrophoresis (PAGE).

Features of Sodium Dodecyl Sulfate (Lauryl):

Popular anionic detergent for a variety of protein methods
Especially useful for denaturing polyacrylamide gel electrophoresis (SDS-PAGE)
Common component of cell lysis buffers

This lauryl-grade sodium dodecyl sulfate (SDS) is a popular anionic detergent for routine protein electrophoresis and cell lysis methods. The formulation is a mixture of several different alkyl sulfate chain lengths (C10 to C18).

Properties of SDS (values for pure C12):
Molecular Weight: 288.5g
Detergent Class: Ionic (anionic)
Aggregation Number: 62
Micelle Molecular Weight: 18,000g
Critical Micelle Concentration (CMC): 6 to 8 mM (0.1728 to 0.2304%, w/v)
Cloud Point: >100°C
Dialyzable: No

Specifications for Sodium Dodecyl Sulfate:
Visual: White powder, free of foreign material.
Solubility: 10% (aq, w/v) solution must be clear, colorless to slightly yellow.
Chain length: C12 >60%; C14 = 20 to 35%; C16 <10%; C10 and C18 <1% each