Sodium octoxynol ethane sulfonate
Synonyms
Poly(oxy-1,2-ethanediyl), alpha-4-(1,1,3,3-tetramethylbutyl)phenyl-omega-sulfo-, sodium salt;
Category
Anionic Surfactant
>> Sulfonate
>> Polyether Sulfonate
>> Phenol Polyether Sulfonate
>> Branched Alkylphenol Polyoxyethylene Ether Sulfonate
Chemical Numbering System
CASRN：N/A
EINECS：N/A
Molecular Formula & Molecular Weight
Molecular Formula: (C2H4O)n.C16H26O4S.Na
Molecular Weight: N/A
Structure
Properties
Appearance (1), liquid; (2), solid.
Solubility soluble in water.
Stability stable.
Risk Liquid form: irritation, irritation to skin, eye.
GHS (Rev.6) label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent cleansing, emulsifying, dispersing, wetting, solubilizing, foaming, permeating abilities. Good lime soap dispersing power.
Synthesis
Quality Standards & Test Methods
1. Physical and chemical indexes
|
Item
|
Physical and chemical indexes
|
|
Liquid
|
|
|
Actives, %, ≥
|
30.0
|
|
pH (25°C, 10%)
|
4.5 - 9.5
|
Test Methods
(1), Actives
GB/T 5173 Surface active agents and detergents－Determination of anionic-active matter by direct two-phase titration procedure
ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
(2), pH
GB/T 6368 Surface active agents - Determination of pH of aqueous solution - Potentiometric method
ISO 4316 Surface active agents -- Determination of pH of aqueous solutions -- Potentiometric method
2. Hazardous substances indexes
|
Item
|
Hazardous substances indexes
|
|
Liquid
|
|
|
Heavy metals (as Pb), mg/Kg, ≤
|
20
|
|
As, mg/Kg, ≤
|
3
|
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents - Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents - Determination of total arsenic
3. Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
(b), Used in cosmetics, should be test for harmful substances; or furtherly test for microorganisms.
Major Uses
1. Typical Applications
Use as cleansing agent.
Use as emulsifying agent, dispersing agent.
Use as solubilizing agent.
Use as wetting agent, permeating agent.
2. Personal care products
Cleansing agent, emulsifying agent in personal care products.
3. Household detergents
Use as cleansing agent, foaming agent.
4. Industrial cleaning agents
Use as cleansing agent, emulsifying agent.
5. Pets
Use as cleansing agent, foaming agent.
Product members
Sodium octoxynol-2 ethane sulfonate (CASRN: 2917-94-4; EINECS: 220-851-3);
Manufacturers
Update: 20131029(1); 20170928(2);