CAS Number: 9016-45-9
Synonyms: ethoxylated nonylphenol; (nonylphenoxy)polyethyleneoxide, nonoxynols, NP-9
Nonocynol-9 sometimes abbreviated as NP-9 is an organic compound that is used as a surfactant. It is a member of the nonoxynol family of nonionic surfactants. NP-9 is most commonly used as an ingredient in various cosmetic and cleaning products. It is also widely used in contraceptives for its spermidical properties.