Acetyltributyl citrate
Synonyms
1,2,3-Propanetricarboxylic acid, 2-(acetyloxy)-, 1,2,3-tributyl ester;
Citric acid, tributyl ester, acetate;
1,2,3-Propanetricarboxylic acid, 2-(acetyloxy)-, tributyl ester;
Tributyl O-acetylcitrate;
Acetyl tributyl citrate;
Category
Non-ionic surfactant
> Ester
>> Fatty Alcohol Ester
>>> Monohydric Alcohol Polyprotic Acid Ester
>>>> Citric Acid Ester
Chemical Numbering System
CAS: 77-90-7
EINECS: 201-067-0
Molecular Formula & Molecular Weight
Molecular Formula: C20H34O8
Molecular Weight: 402.48
Structure
Properties
Appearance (1), colorless liquid.
Solubility soluble 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 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse intraperitoneal LD50 |
>4000mg/kg[1] |
|
rat oral LD50 |
31400mg/kg[2] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent lubricating, 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, Product standards
(1), Chinese standards
(1a), HG/T 4616 Plasticizer -- Acetyl tributyl citrate
4, 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 plasticizer.
Use as dispersing agent, emulsion stabilizer.
Use as lubricant. For example, used in metal processing, machinery, resins.
2, Personal care products
Plasticizer, masking agent, perfume in personal care products.
Manufacturers
References
[1]: ChemIDplus. 77-90-7, Acetyltributyl citrate
[2]: HSDB. 77-90-7, Acetyl tributyl citrate
Update: 20141022(1); 20200621(2);