Naphthalenesulfonic acid, dinonyl-
Synonyms
Dinonylnaphthalenesulphonic acid;
Category
Anionic Surfactant
> Sulfonate
>> Aryl Sulfonate
>>> Naphthyl Sulfonate
>>>> Linear Alkylnaphthyl Sulfonate
Chemical Numbering System
CAS: 25322-17-2
EINECS: 246-841-9
Molecular Formula & Molecular Weight
Molecular Formula: C28H44O3S
Molecular Weight: 460.71
Structure
Properties
Appearance (1), liquid.
Solubility slightly soluble in water.
Stability stable.
Risk Liquid 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, permeating, wetting, solubilizing abilities.
Synthesis
Dinonylnaphthalene and concentrated sulfuric acid react through sulfonation reaction, finally obtain product.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
Actives, %, ≥ |
70.0 |
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 |
|
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.
Major Uses
1, Typical applications
Use as dispersing agent, emulsifying agent.
Use as wetting agent.
Use as cleansing agent.
2, Coatings
Use as catalyst.
3, Organic synthesis
Catalyst in organic synthesis.
Manufacturers
Update: 20170525(1);