Tricresyl phosphate
Synonyms
Phosphoric acid, tris(methylphenyl) ester;
Phosphoric acid, tritolyl ester;
Tritolyl phosphate;
Category
Non-ionic surfactant
> Phosphate
>> Phenol Phosphate
Chemical Numbering System
CAS: 1330-78-5
EINECS: 215-548-8
Molecular Formula & Molecular Weight
Molecular Formula: C21H21O4P
Molecular Weight: 368.36
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
|
cat skin LD50 |
1500mg/kg[1] |
|
chicken oral LD50 |
> 10000mg/kg[1] |
|
dog oral LDLo |
500mg/kg[1] |
|
mouse oral LD50 |
3900mg/kg[1] |
|
mouse subcutaneous LDLo |
12mg/kg[1] |
|
rabbit parenteral LD50 |
100mg/kg[1] |
|
rabbit oral LDLo |
100mg/kg[1] |
|
rabbit skin LDLo |
1000mg/kg[1] |
|
rat oral LD50 |
3000mg/kg[1] |
Reproductive effect[1].
Human Toxicity
Table 2 Human toxicity values
|
human oral LDLo |
1800mg/kg[1] |
|
women oral TDLo |
70mg/kg/14D[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent dispersing, emulsifying, lubricating, 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, high-temperature lubricant, extreme-pressure lubricant.
Use as plasticizer.
Use as flame retardant.
Use as dispersing agent.
Manufacturers
References
[1]: ChemIDplus. 1330-78-5, Tricresyl phosphate
Update: 20190728(1);