Ammonium perfluorooctanesulfonate
Synonyms
Ammonium heptadecafluorooctanesulphonate;
Category
Fluorosurfactant
> Anionic Fluorosurfactant
>> Sulfonate
Chemical Numbering System
CAS: 29081-56-9
EINECS: 249-415-0
Molecular Formula & Molecular Weight
Molecular Formula: C8H4F17NO3S; C8H1F17O3S.H3N
Molecular Weight: 517.16
Structure
Properties
Appearance (1), solid.
Solubility soluble in water.
Stability stable. Under alkaline condition, ammonia is released.
Risk Solid form: irritation, irritation to skin, eye, respiratory system.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability not easy to degrade.
Characteristics excellent emulsifying, dispersing, cleansing, wetting, permeating, spreading, lubricating, solubilizing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
90.0 |
Test Methods
(1), Actives
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 cleansing agent.
Use as spreading agent, wetting agent.
2, Textile, leather, papermaking
Oleophobic agent, hydrophobic agent in textile, leather, papermaking.
3, Electroplating
Chrome fog inhibitor in electroplating industry.
Manufacturers
Update: 20190728(1);