Permethrin
time:2013-04-11 01:14:35,count:0
Permethrin
Alias
Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester
Category
Non-ionic surfactants-Esters
CAS No.
52645-53-1
Molecular Formula & Molecular Weight
Molecular Formula: C21H20Cl2O3
Molecular Weight: 391.29
Structural Formula
Properties
Appearance: solid.
Solubility: insoluble in water.
Stability: stable. at strong acid, strong alkali, easily hydrolyzed.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: chicken oral LD50: 7000mg/Kg;
duck oral LD50: 11300mg/Kg;
guinea pig oral LD50: 4000mg/Kg;
mouse inhalation LC50: 685mg/m3;
mouse intraperitoneal LD50: 429mg/Kg;
mouse intravenous LD50: 31mg/Kg;
mouse oral LD50: 424mg/Kg;
mouse skin LD50: > 10000mg/Kg;
mouse subcutaneous LD50: 10000mg/Kg;
mouse intratracheal LDLo: 0.6mg/Kg;
quail oral LD50: 13500mg/Kg;
rabbit oral LD50: 4000mg/Kg;
rabbit skin LD50: > 2000mg/Kg;
rat inhalation LC50: 485mg/m3;
rat intravenous LD: > 270mg/Kg;
rat oral LD50: 383mg/Kg;
rat skin LD50: 1750mg/Kg;
rat subcutaneous LD50: 6600mg/Kg.
reproductive effect.
Overall carcinogenic evaluation: Group 3.
Human toxicity[1]: man oral TDLo: 2270mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent insecticidal, antibacterial, dispersing abilities. Pyrethroid insecticide.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives*, %, ≥
95
 
*: should be marked on molecular weight.
Major Uses
Use as insecticide.
Antimicrobial agent in personal care products.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 52645-53-1
Update: 20141017(1);

 

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