Pentyl dimethyl PABA
Synonyms
Benzoic acid, p-dimethylamino-, pentyl ester;
Pentyl 4-(dimethylamino)benzoate;
Amyl p-dimethylaminobenzoate;
Amyl dimethyl PABA;
Category
Non-ionic surfactant
> Amine
>> Ester-group Amine
>>> Amino Acid Esters
Chemical Numbering System
CASRN: 14779-78-3
EINECS: 238-849-6
Molecular Formula & Molecular Weight
Molecular Formula: C14H21NO2; C14H21N1O2
Molecular Weight: 235.32
Structure
Properties
Appearance (1), liquid.
Solubility insoluble in water.
Stability stable. Under strong acid or strong alkali condition, easily hydrolyzed.
Risk Liquid 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. UVB band.
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 UV absorbing agent.
Use as dispersing agent, emulsion stabilizer.
Use as lubricant.
Manufacturers
Update: 20141015(1); 20200815(2);