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Cat Number: PIE-0286

Sodium dodecyl sulfate

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CAS Number

151-21-3

Synonyms

Sodium dodecyl sulfate
SODIUM LAURYL SULFATE
Sodium dodecylsulfate
Sodium lauryl sulphate

Description

Sodium Lauryl Sulfate (SLS) is an anionic surfactant naturally derived from coconut and/or palm kernel oil. It usually consists of a mixture of sodium alkyl sulfates, mainly the lauryl. SLS lowers surface tension of aqueous solutions and is used as fat emulsifier, wetting agent, and detergent in cosmetics, pharmaceuticals and toothpastes. It is also used in creams and pastes to properly disperse the ingredients and as research tool in protein biochemistry. SLS also has some microbicidal activity.

Molecular Weight

288.38

Molecular Formula

NaSO4C12H25

SMILES

CCCCCCCCCCCCOS(=O)(=O)[O-].[Na+]

EINECS

205-788-1

Appearance

white to pale yellow paste or liquid with a mild odor

Density, g/cm3

greater than 1.1 at 68 °F