4-(2,4-Dichlorophenoxy)butanoic acid
Synonyms
Butanoic acid, 4-(2,4-dichlorophenoxy)-;
4-(2,4-Dichlorophenoxy)butyric acid;
Category
Anionic Surfactant
> Carboxylate
>> Ether-based Carboxylate
>>> Phenoxy Alkyl Carboxylate
>>>> Halogenated Alkylphenoxy Linear Alkylcarboxylate
Chemical Numbering System
CAS: 94-82-6
EINECS: 202-366-9
Molecular Formula & Molecular Weight
Molecular Formula: C10H10Cl2O3
Molecular Weight: 249.09
Structure
Properties
Appearance (1), solid.
Solubility insoluble in water.
Stability stable.
Risk Solid form: irritation, irritation to skin, eye, respiratory system.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, wetting abilities. Broad-spectrum herbicide. Phenoxy herbicides. Selective post-emergence herbicide. Can be used to control broadleaf weeds. Can cause male reproductive toxicity.
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
GB/T 5173 Surface active agents and detergents -- Determination of anionic-active matter by direct two-phase titration procedure
ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
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 herbicide.
Use as emulsifying agent, dispersing agent.
2, Agriculture
Use as herbicide.
Manufacturers