Potassium Lauryl Hydroxypropyl Sulfonate
Synonyms
Propanesulfonic acid, 2-hydroxy-3-dodecyloxy-, monopotassium salt;
Potassium Dodecyl Hydroxypropyl Sulfonate;
Category
Anionic Surfactant
> Sulfonate
>> Chain Sulfonate
>>> Alkyl Ether Sulfonate
>>>> Linear Alkyl Ether Sulfonate
Chemical Numbering System
CAS: N/A
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C15H31KO5S; C15H32O5S.K
Molecular Weight: 362.57
Structure
Properties
Appearance (1), solid; (2), liquid.
Solubility soluble in water.
Stability stable.
Risk Solid form: flammable material; irritation, moderate irritation to skin, eye, respiratory. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent cleansing, emulsifying, wetting, permeating, dispersing, solubilizing, foaming abilities.
Synthesis
(1), Lauryl glycidyl ether is prepared by the reaction of lauryl alcohol and epichlorohydrin.
(2), Potassium lauryl hydroxypropyl sulfonate is prepared by the reaction of lauryl glycidyl ether and potassium sulfite, potassium bisulfite.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
90.0 |
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, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Solid |
|
|
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.
2, Personal care products
Cleansing agent, antistatic agent in personal care products.
3, Pets
Main ingredient or auxiliary ingredient for cleansing agent, foaming agent in shampoos and other pet products.
Manufacturers
Update: 20131027(1); 20170730(2);