Uese: Permethrin is a high-effective, broad-spectrum, low-toxic and residue pyrethroid of light-stableness. It has strong contact and stomach poisoning activity. It is an ovicide with repellent acitivity. Without cyanic in its structure, the irritation is slight. It is mainly used to control vector insect (e.g. mosquitoes, flies and cockroach),and moth in wool, leather, limber and furniture. It is also used in prevention and control of pests is cotton, rice, crop, fruit tree, vegetables, tea tree, and forest.
ChemicalName:3-Phenoxybenzyl-(1R,S)-cis,trans-2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylate
Formula:C21H20CL2NO3
Formula Weight:391.30
CAS NO:52645-53-1
Appearance: Faint yellow-faint brown sticky liquid.
May turn to be solid for a long time storage.
Specific gravity:1.21(d420)
Boiling Point:200℃/1.33Pa or 220℃/6.67Pa
Vapor pressure:4.53×10-5Pa(25℃)
Viscosity:250cp(30℃)
Solubility: Hardly soluble in water, but soluble in organic solvents.
Stability: Stable in neutral acidic medium, but easily hydrolyzed in alkaline solution; light resistant; not corrosive.
Toxicity: Acute oral LD50 to rats is more than 2000mg/kg.Acute dermal LD50 to rats is more than 2500mg/kg, Acute inhalant LC50 to rats is more than 23.5mg/L air. NO irritation to skin, and slight irritation to eyes.
Quality Index:
Permethrin Technical
Appearance: faint yellow-faint brown viscous liquid.
Content≥93.0%, cis/trans(25:75 or 40:60)
Moisture≤0.2%
Acid degree≤0.15% Package:
Acetone infusibility≤0.1% Iron drum |