Sodium pentane-1-sulphonate
Synonyms
1-Pentanesulfonic acid, sodium salt;
Sodium pentane-1-sulfonate;
Category
Anionic Surfactant
> Sulfonate
>> Chain Sulfonate
>>> Alkyl Sulfonate
>>>> Linear Alkyl Sulfonate
Chemical Numbering System
CAS: 22767-49-3
EINECS: 245-208-4
Molecular Formula & Molecular Weight
Molecular Formula: C5H11NaO3S; C5H12O3S.Na
Molecular Weight: 174.19
Structure
Properties
Appearance (1), white 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 emulsifying, dispersing, hydrotropic abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
90.0 |
|
pH (25°C, 1% solution) |
7.0 - 10.0 |
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), 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 |
|
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.
Major Uses
1, Typical Applications
Use as emulsifying agent, dispersing agent.
Use as hydrotrope.
Manufacturers
Update: 20170710(1);