Sodium 2-(4-chloro-2-methylphenoxy)propionate
Synonyms
Propionic acid, 2-((4-chloro-o-tolyl)oxy)-, sodium salt;
Mecoprop-sodium;
Category
Anionic Surfactant
> Carboxylate
>> Ether-based Carboxylate
>>> Phenoxy Alkyl Carboxylate
>>>> Halogenated Alkylphenoxy Linear Alkylcarboxylate
Chemical Numbering System
CAS: 19095-88-6
EINECS: 242-815-6
Molecular Formula & Molecular Weight
Molecular Formula: C10H10ClNaO3; C10H11ClO3.Na
Molecular Weight: 236.63
Structure
Properties
Appearance (1), solid.
Solubility soluble in water.
Stability stable.
Risk Solid form: irritation, irritation to skin, eye, respiratory system.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse intraperitoneal LD50 |
600mg/kg[1] |
|
mouse oral LD50 |
650mg/kg[1] |
|
rat intraperitoneal LD50 |
500mg/kg[1] |
|
rat oral LD50 |
650mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, wetting abilities.
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 emulsifying agent, dispersing agent.
2, Agriculture
Use as herbicide.
Manufacturers
References
[1]: ChemIDplus. 19095-88-6, Mecoprop-sodium
Update: 20181008(1);