Chemicals

4-Nonylphenol polyethoxylate

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Synonyms：

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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