4-Nonylphenol polyethoxylate

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Synonyms:
4-Nonylphenol polyethoxylate
nonoxynol-4
NONOXINOLS
Alkylphenol ethoxylates: Nonylphenol-ethylene oxide condensate (Nonoxynol-9)
nonoxynol-2
Polyethylene Glycol Mono-4-nonylphenyl Ether n≈7.5
tergitol R(NP 10)
Conceptol
Novoxynol
Polyethylene Glycol Mono-4-nonylphenyl Ether n(=:)20
 
Molecular Formula:  C28H50O8
Molecular Weight: 514.69200

Appearance and properties: transparent oily liquid
Density: 1.06
Boiling point: 250ºC
Melting point: 57-58ºC
Flash point: 94ºC
 
Storage conditions: 0-6ºC

use:
It is a non-ionic surfactant and is currently the most commonly used external spermicide. The main function is to kill the sperm or make the sperm unable to swim by reducing the surface tension of the sperm lipid membrane and changing the sperm osmotic pressure, so that the sperm cannot enter the cervix, and the egg cannot be fertilized, so as to achieve the purpose of contraception.

Items of Analysis Standard of Analysis Test Results
Appearance Colorless or light yellow clear liquid, viscous liquid, miscible with water, ethanol(96%)  and vegetable oils. Light yellow clear  liquid
Identity Reaction A: Positive
Reaction B: 52-58℃
Positive
56℃
Acidity Not more than 0.5ml of 0.01M hydrochloric acid or 0.01M sodium hydroxide Complies
Hydroxyl value 84-94 90
Cloud point 52-58 57
Ethylene oxide Not more than 1ppm 0.3ppm
Dioxan Not more than 10ppm 2ppm
Heavy metals Not more than 10ppm 1ppm
Total ash Not more than 0.4% 0.06ppm
Water Not more than 0.5% 0.02ppm
Conclusion Comply with the current edition of European Pharmacopoeia
 

4-Nonylphenol polyethoxylate


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