Naphthenic Acids, Zinc Salts
Synonyms
Zinc naphthenate;
Naphthenic acid, zinc salt;
T704;
Category
Anionic Surfactant
> Carboxylate
>> Cyclic Carboxylate
>>> Alicyclic Carboxylate
>>>> Naphthenate (Petroleum acid Salt)
Chemical Numbering System
CAS: 12001-85-3
EINECS: 234-409-2
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
Properties
Appearance (1), solid; (2), yellow-brown 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: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse oral LD50 |
2800mg/kg[1] |
|
rabbit oral LD |
> 5000mg/kg[1] |
|
rabbit skin LD |
> 2000mg/kg[1] |
|
rat inhalation LC |
> 1170mg/m3/8H[1] |
|
rat oral LD50 |
4920mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, lubricating, anticorrosive, solubilizing, antirust, preservative abilities.
Synthesis
Obtained that sodium naphthenate reacts with zinc sulfate.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid / Liquid |
|
|
Actives, %, ≥ |
45.0 - 85.0 |
|
Zn, % |
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), Zn
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Solid / Liquid |
|
|
Heavy metals (as Pb, except Zn), 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, matting agent, promoting gelling agent in paint, printing ink. Can improve efficiency of cobalt naphthenate, manganese naphthenate.
3, Lubricating
Lubricant, antirust agent in lubricants, anti-rust oil. Good anti-rust effect to steel, copper, aluminum; poor anti-rust effect to cast iron.
4, Pigment
Wetting agent in pigment.
5, Textile
Waterproofing agent in textile.
6, Forestry
Preservative in wood processing.
7, Polymer
Auxiliary heat stabilizer, lubricant in plastics industry, for example, PVC.
Manufacturers
References
[1]: ChemIDplus. 12001-85-3, Zinc naphthenate
Update: 20131114(1); 20181023(2);