Lambda - Cyhalothrin 25% WP Pyrethroid Agricultural Insecticide
Hazardous Ingredients of Material
Hazardous ingredients: Lambda-cyhalothrin
Approx. Concentration: 95.0% min.
CAS No. :[91465-08-6]
Other ingredient: No.
Toxicological Data: Oral rat LD50 56~482 mg/kg body weight,
Acute dermal for male rats LD50 632mg/kg.
And for female rats is 696mg/kg.
Acute inhalation LC50 is 0.06mg/L(4 hours) on rats.
Slight irritation to the eyes of rabbits and
rats. No irritation to the skin.No teratergenic effect, mutagenic
and carcinogenic effect. Oral LD50 to bees is 38ng/bee.
Physical and Chemical Data for Material
Physical state: Powder
Odor and appearance: Light yellow powder with a faint vanilla
Melting point: 49.2℃
Solubility in water (20℃)
The solubility as following: 0.005mg/l (pH6.5) in pure water,
0.004mg/l (pH5.0) in buffer water and more
than 500g/l (21℃) in acetone, hexosemethanol and toluene etc..
Odor threshold:Faint vanilla odour.
Vapor pressure at 20℃ (mm): 200nPa(20℃)
Firing point: Not flammable.
Coefficient of water/oil distribution: Log Pow = 7.0 (20℃)
Density (g/ml):.24 g/ml at 20℃.
12.Unusual fire-explosion hazards:Explosive dust/air mixtures can
form in atmospheres as low as 9% oxygen. Ignition energy required
is as low as 15 mill joules.
13.Extinguishing medium: Use water for, form, CO2, or dry chemical extinguishing media.
14. Special firefighting procedures: Firefighters should be
equipped with self-contained breathing apparatus and turnout gear.
Care should be taken to decontaminate firefighters and equipment.