Zinc O,O-bisisodecyl dithiophosphate
Synonyms
Zinc, bis(O,O-diisodecyl phosphorodithioato-S,S')-;
Zinc isodecyl phosphorodithioate;
Category
Anionic Surfactant
> Phosphate
>> Thiophosphate
>>> Alkyl Thiophosphate
>>>> Branched Alkyl Thiophosphate
Chemical Numbering System
CAS: 25103-54-2
EINECS: 246-618-6
Molecular Formula & Molecular Weight
Molecular Formula: C40H84O4P2S4Zn; C20H43O2P1S2. 1/2Zn
Molecular Weight: 884.71
Structure
R: iso-C10.
Properties
Appearance (1), solid; (2), liquid.
Solubility insoluble in water; soluble in mineral oil.
Stability stable. Under strong acid condition, easily hydrolyzed.
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 biodegradable.
Characteristics excellent lubricating, emulsifying, dispersing, anticorrosive, 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
GB/T 13173 Surface active agents -- Detergents -- Testing methods
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 lubricant.
Use as emulsifying agent, dispersing agent.
2, Machinery
Use as lubricant, EP lubricant.
Manufacturers
Update: 20190311(1);