Deltamethrin
Synonyms
Cyclopropanecarboxylic acid, 3-(2,2-dibromoethenyl)-2,2-dimethyl-, (S)-cyano(3-phenoxyphenyl)methyl ester, (1R,3R)-;
Category
Non-ionic surfactant
> Ester
>> Aromatic Alcohol Ester
Chemical Numbering System
CAS: 52918-63-5
EINECS: 258-256-6
Molecular Formula & Molecular Weight
Molecular Formula: C22H19Br2NO3; C22H19Br2N1O3
Molecular Weight: 505.20
Structure
Properties
Appearance (1), solid.
Solubility insoluble in water.
Stability stable. Under strong acid or strong alkali condition, easily hydrolyzed.
Risk Solid form: irritation, irritation to skin, eye, respiratory system.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
dog intravenous LD50 |
3.44mg/kg[1] |
|
dog oral LD50 |
> 300000mg/kg[1] |
|
duck oral LD50 |
> 4640mg/kg[1] |
|
mouse intracrebral LD50 |
26.1mg/kg[1] |
|
mouse intraperitoneal LD50 |
10mg/kg[1] |
|
mouse oral LD50 |
20mg/kg[1] |
|
rabbit skin LD50 |
2000mg/kg[1] |
|
rat inhalation LC50 |
785mg/m3/2H[1] |
|
rat intravenous LD50 |
2.526mg/kg[1] |
|
rat oral LD50 |
9.36mg/kg[1] |
|
rat skin LD50 |
> 800mg/kg[1] |
Reproductive effect[1].
Overall carcinogenic evaluation: Group 3[1].
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent insecticidal, dispersing abilities. Pyrethroid insecticide.
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
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, Product standards
(1), Chinese standards
(1a), GB/T 28131 Deltamethrin technical material
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 insecticide.
Manufacturers
References
[1]: ChemIDplus. 52918-63-5, Deltamethrin
Update: 20141030(1); 20200607(2);