Agrochemical Insecticide Bacillus thuringiensis 8000IU/MG 16000IU/MG 32000IU/MG 68038-71-1 CAS NO.68038-71-1

product name

bacillus thuringiensis 8000iu/mg 16000iu/mg 32000iu/mg

general info

common name bacillus thuringiensis

cas no. 68038-71-1

molecular formula c22h32n5o16p

properties

appearance: fine tan powder

molecular formula: c22h32n5o16p

molecular weight: 653

solubility in water: soluble

melting point: n/a

boiling point: n/a

flash point: n/a

toxicity

oral toxicity: n/d.

ld50 > 4,000 mg/kg in rats for dipel(r) technical

powder. ld50 > 10,000 mg/kg in mice. ld50 > 400 mg/kg in dogs.

dermal toxicity: n/

inhalation toxicity:

not lethal in an inhalation study with rats at an

aerosol concentration of 5.26 mg/l/4 hours. epa category iv

applications

bti is gram-positive bacteria bacillus, which will generate oval spore. facultative anaerobe. the main content will be toxin protein of parasporal crystal. this kind of insecticidal crystal protein (icp) will be generated at the last stage of spore growth.

when the icp go into the alimentary canal of mosquito larva, the protein will be broke into δ-endotoxin by the alkalic duodenaljuice. then the midgut will stop working and become paralyzed, its epithelial cell dissociates. the larva will stop eating. meanwhile, the spore will sprout in the midgut and go into the haemocoel for mass propagation. the insect will die for septicemia.

specifications

bacillus thuringiensis 95%tc

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