Dihexyl adipate
Synonyms
Adipic acid, dihexyl ester;
Hexanedioic acid, 1,6-dihexyl ester;
Hexanedioic acid, dihexyl ester;
Di-n-hexyl adipate;
Category
Non-ionic surfactant
> Ester
>> Fatty Alcohol Ester
>>> Monohydric Alcohol Diprotic Acid Ester
>>>> Linear Alkanol Saturated Fatty Acid Ester
Chemical Numbering System
CASRN: 110-33-8
EINECS: 203-757-7
Molecular Formula & Molecular Weight
Molecular Formula: C18H34O4
Molecular Weight: 314.46
Structure
Properties
Appearance (1), liquid.
Solubility slightly soluble in water. Soluble in ethyl ether.
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 and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.10) label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse oral LD50 |
19600mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent cleansing, dispersing, emulsifying, 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 solvent.
Use as plasticizer.
Use as dispersing agent, emulsion stabilizer.
2, Personal care products
Conditioning agent, emollient, solvent in personal care products.
Manufacturers
References
[1]: ChemIDplus. 110-33-8, Dihexyl adipate
Update: 20141031(1); 20200614(2);