Tris(nonylphenyl)phosphite
Synonyms
Phenol, nonyl-, phosphite (3:1);
Category
Non-ionic surfactant
> Phosphite
Chemical Numbering System
CAS: 26523-78-4
EINECS: 247-759-6
Molecular Formula & Molecular Weight
Molecular Formula: C45H69O3P
Molecular Weight: 689.00
Structure
Schematic formula:
Properties
Appearance (1), colorless to pale yellow transparent liquid.
Solubility insoluble in water.
Stability stable. Easily oxidized.
Risk Liquid form: irritation, irritation to skin, eye.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent anti-oxidizing, dispersing, lubricating, solubilizing 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.
(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.
Major Uses
1, Typical applications
Use as antioxidant.
Use as lubricant.
2, Polymer
Heat stabilizer, antioxidant in polymers, resins.
3, Personal care products
Antioxidant in personal care products.
Manufacturers
Update: 20130911(1); 20190728(2);