Sodium nonanoyloxybenzenesulfonate

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Sodium nonanoyloxybenzenesulfonate
Sodium nonanoyloxybenzenesulfonate.png
Abbreviations NOBS
CAS number 89740-11-4
PubChem 174822
ChemSpider 152449 YesY
Jmol-3D images Image 1
Molecular formula C15H21NaO5S
Molar mass 336.38 g mol−1
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Sodium nonanoyloxybenzenesulfonate (NOBS) is an important component of detergents and bleaches. It is known as a bleaching activator for active oxygen sources, allowing formulas containing hydrogen peroxide releasing chemicals (specifically the sodium perborate, sodium percarbonate, sodium perphosphate, sodium persulfate, and urea peroxide.[1] Unlike tetraacetylethylenediamine, NOBS can be used in a much lower temperature.


  1. ^ Kuzel, P.; Lieser, T. (1990). "Bleach systems". Tenside, Surfactants, Detergents 27 (1): 23–8.