Diundecyl phosphate
Synonyms
Phosphoric acid, diundecyl ester;
1-Undecanol, hydrogen phosphate;
Category
Anionic Surfactant
> Phosphate
>> Chain Phosphate
>>> Alkyl Phosphate
>>>> Linear Alkyl Phosphate
Chemical Numbering System
CAS: 7598-64-3
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C22H47O4P
Molecular Weight: 406.58
Structure
Properties
Appearance (1), solid.
Solubility slightly soluble in water; soluble in ethanol.
Stability stable. Under strong acid condition, easily hydrolyzed.
Risk Solid form: irritation, irritation to skin, eye, respiratory system.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse intraperitoneal LDLo |
500mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, anticorrosive, antirust, lubricating, cleansing, solubilizing, antistatic abilities. Low to moderate foaming. Resistance to high concentration of alkali. Intolerance to hard water.
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 emulsifying agent, dispersing agent.
Use as anticorrosive agent.
Use as cleansing agent.
2, Machinery
Lubricant, corrosion inhibitor in metalworking fluids.
Manufacturers
References
[1]: ChemIDplus. 7598-64-3, Diundecyl phosphate
Update: 20190303(1);