Dibutyl oxalate
Synonyms
Ethanedioic acid, 1,2-dibutyl ester;
Ethanedioic acid, dibutyl ester;
Oxalic acid, dibutyl ester;
Category
Non-ionic surfactant
> Ester
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>>> Monohydric Alcohol Diprotic Acid Ester
>>>> Linear Alkanol Saturated Fatty Acid Ester
Chemical Numbering System
CAS: 2050-60-4
EINECS: 218-092-8
Molecular Formula & Molecular Weight
Molecular Formula: C10H18O4
Molecular Weight: 202.25
Structure
Properties
Appearance (1), liquid.
Solubility slightly soluble in water. Soluble in ethanol.
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: 
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 cleansing agent.
Use as plasticizer.
2, Personal care products
Plasticizer, conditioning agent, solvent, chelating agent in personal care products.
Further information:
(1), In accordance with Safety and Technical Standards for Cosmetics (2015 Edition) of China, oxalic acid, its esters and alkaline salts are the restricted components.
Can be applied to hair products.
Maximum concentration is 5%.
For professional use only.
(2), In accordance with EU regulations (EC) No 1223/2009, directive 82/368/EEC, oxalic acid, its esters and alkaline salts are included in Annex III/3.
Can be applied to hair products.
Maximum concentration is 5%.
For professional use only.
3, Industrial cleaning
Cleansing agent, paint remover in industrial cleaning.
Manufacturers
Update: 20141031(1); 20200614(2);