Octyl 4-(dimethylamino)benzoate
Synonyms
Octyl dimethyl PABA;
Benzoic acid, p-dimethylamino-, octyl ester;
Category
Non-ionic surfactant
> Amine
>> Ester-group Amine
>>> Amino Acid Esters
Chemical Numbering System
CASRN: 58817-05-3
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C17H27NO2; C17H27N1O2
Molecular Weight: 277.40
Structure
Properties
Appearance (1), solid.
Solubility insoluble in water.
Stability stable. Under strong acid or strong alkali condition, easily hydrolyzed.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2, nitrogen oxides and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.10) label:
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent UV absorbing, dispersing, emulsifying, antistatic abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
Item |
Physical and chemical indexes |
Solid |
|
Actives, %, ≥ |
95.0 |
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 dispersing agent, emulsifying agent.
Use as antistatic agent.
Use as UV absorbing agent. For example, used in resins, plastics.
Manufacturers
Update: 20141015(1); 20200815(2);