Sodium pentane-1-sulphonate
Time: 2015-04-22 17:26:20
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
CASRN22767-49-3
EINECS245-208-4
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 (Rev.6) 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);