Naphthenic Acids, Iron Salts
Synonyms
Iron naphthenate;
Naphthenic acid, iron salt;
Category
Anionic Surfactant
> Carboxylate
>> Cyclic Carboxylate
>>> Alicyclic Carboxylate
>>>> Naphthenate (Petroleum acid Salt)
Chemical Numbering System
CAS: 1338-14-3
EINECS: 215-660-7
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
Properties
Appearance (1), solid; (2), dark brown to black liquid.
Solubility insoluble in water, soluble in petroleum ether, benzene.
Stability stable.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. 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, lubricating, anticorrosive, solubilizing, antirust abilities.
Synthesis
Obtained that sodium naphthenate reacts with ferric chloride.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid / Liquid |
|
|
Actives, %, ≥ |
45.0 - 85.0 |
|
Fe, % |
2.0 - 12.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
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), Fe
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Solid / 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 emulsifying agent, dispersing agent.
Use as lubricant.
2, Coatings
Auxiliary drier in paint, printing ink. Can improve efficiency of cobalt naphthenate, manganese naphthenate.
High-temperature driers in paint, printing ink.
3, Pigment
Wetting agent in pigments, carbon black.
4, Polymer
Auxiliary heat stabilizer, lubricant in plastics industry, for example, PVC.
Manufacturers
Update: 20131114(1); 20181023(2);