Naphthalenedisulfonic acid, dinonyl-
Time: 2013-10-31 15:56:39
Naphthalenedisulfonic acid, dinonyl-
Synonyms
Dinonylnaphthalenedisulphonic acid;
Category
Anionic Surfactant
>> Sulfonate
>> Aryl Sulfonate
>> Naphthyl Sulfonate
>> Linear Alkylnaphthyl Sulfonate
Chemical Numbering System
CASRN60223-95-2
EINECS262-110-7
Molecular Formula & Molecular Weight
Molecular Formula: C28H44O6S2
Molecular Weight: 540.78
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 (Rev.6) 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);