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Sodium dodecyl sulfate (CH3(CH2)11OSO3Na), also known as sodium lauryl sulfate or
just SDS, is an ionic detergent that is commonly found in household products such as shampoos. The molecule has a tail of 12 carbon
atoms, attached to a sulfate group, giving the molecule the amphiphilic properties required of a detergent.
The material has industrial use as a detergent, and is a common ingredient of household products such as shampoos.
In laboratories, SDS is commonly used in gel
electrophoresis (SDS-PAGE), where its detergent properties help keep the
proteins being studied in a denatured state.
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