Tris(2-ethylhexyl) phosphate
Synonyms
Phosphoric acid, tris(2-ethylhexyl) ester;
Category
Non-ionic surfactant
> Phosphate
>> Fatty Alcohol Phosphate
Chemical Numbering System
CAS: 78-42-2
EINECS: 201-116-6
Molecular Formula & Molecular Weight
Molecular Formula: C24H51O4P
Molecular Weight: 434.63
Structure
Properties
Appearance (1), liquid.
Solubility insoluble in water.
Stability stable.
Risk Liquid form: irritation, irritation to skin, eye.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
guinea pig inhalation LC50 |
450mg/m3/30M[1] |
|
mouse intraperitoneal LD50 |
3200mg/kg[1] |
|
mouse oral LD50 |
12800mg/kg[1] |
|
rabbit oral LD50 |
46000mg/kg[1] |
|
rabbit skin LD50 |
20000mg/kg[1] |
|
rat intraperitoneal LD50 |
30000mg/kg[1] |
|
rat oral LD50 |
37000mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent dispersing, lubricating, emulsifying, anti-foaming abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
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 lubricant.
Use as plasticizer.
Use as flame retardant.
Use as anti-foaming agent.
Use as solvent.
Manufacturers
References
[1]: ChemIDplus. 78-42-2, Tris(2-ethylhexyl) phosphate
Update: 20190728(1);