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 (nŏn-ŏk′sə-nôl′nīn′, -nŏl′-, -nōl′-)
A spermicide widely used in contraceptive creams, foams, and lubricants.

[non(ane), alkane having nine carbons (from Latin nōnus, ninth; see noon) + (eth)oxy + (etha)nol + 9 (from from its chain of nine ethoxy groups).]
References in periodicals archive ?
Our N-9 and N-19 are the perfect alarm clocks to keep users on time when Daylight Saving Time ends," said Arman Arami, president of NYNE.
Epithelial disruption is more commonly associated with N-9 spermicide use in high-risk settings, and lesions with epithelial disruption may increase the risk of acquiring HIV.
The label would also advise consumers that using such contraceptives can increase vaginal irritation, which is thought to be the reason why N-9 may actually increase the possibility of acquiring HIV.
that prompted some local retailers to remove N-9 products from their shelves.
N-9 has been shown to increase the risk of HIV and other infections.
Condoms lubricated with N-9 should no longer be promoted because there is no evidence that they are more effective in preventing pregnancy or infection than condoms lubricated with silicone.
1) The use of N-9 in lubricants and on condoms is no longer recommended, especially for anal sex.
They concluded that N-9 should never be used for preventing HIV transmission, has no value in preventing other sexually transmitted diseases, and should never be used rectally, where the problem may be much worse than with vaginal use.
N-9 is the active ingredient in all over-the-counter contraceptive products and is added in smaller amounts to some sexual lubricants and to the outer surface of some condoms.
Abstract This report summarises the evidence presented to a technical consultation on the safety of N-9 and its effectiveness for protection against pregnancy, sexually transmitted infections and HIV, organized by the World Health Organization Department of Reproductive Health and Research with CONRAD in October 2001.
N-9 is a detergent ingredient which has been widely used for more than 30 years in the form of gels, foams, aerosols, creams, sponges, suppositories, films and foaming tablets.