Benzoic acid, p-hydroxy-, decyl ester
Synonyms
p-Hydroxybenzoic acid decyl ester;
Decyl 4-hydroxybenzoate;
Decyl p-hydroxybenzoate;
Decyl parahydroxybenzoate;
Decylparaben;
Category
Non-ionic surfactant
> Phenol
>> Ester-group Phenol
Chemical Numbering System
CAS: 69679-30-7
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C17H26O3
Molecular Weight: 278.39
Structure
Properties
Appearance (1), white crystal powder.
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 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse subcutaneous LD50 |
4800mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent antimicrobial, antibacterial, preservative abilities. It is often used in combination with other nipagin esters.
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 antimicrobial agent, preservative.
Manufacturers
References
[1]: ChemIDplus. 69679-30-7, Benzoic acid, p-hydroxy-, decyl ester
Update: 20140929(1); 20190908(2)