Buprofezin

Buprofezin Insect growth regulator, Thiadizine Features: 1) Common name: buprofezin 2) Structural formula: border=0> 3) Chemical name: 2-tert-butylimino-3-isopropyl-5-phenyl-l,3,5-thiadiazinan-4-one 4) Molecular formula: C16HH23N3OS 5) Molecular weight: 305.4 6) CAS no.: 69327-76-0 Physical and chemical properties: 1) Appearance: white crystals (tech., white or pale yellow crystalline powder) 2) Melting point: 104.5 - 105.51oC 3) Vapor pressure: 1.25mPa (25oC) 4) S.g./density: 1.18 (20oC) 5) Solubility: a) In water: 0.9mg/L (20oC) b) In chloroform: 520, benzene 370, toluene 320, acetone 240, ethanol 80, hexane 20 (all in g/L, 25oC) 6) Stability: stable in acidic and alkaline media, stable to heat and light. Technical specifications: 1) Appearance: white or slightly yellow crystals 2) a.i. content (w/w): 95% (minimum) 3) Drying loss(w/w): 0.5% (maximum) 4) Acidity (calculated as H2SO4): (maximum) Formulation: 40SC, 25EC, 25WP Analysis: GC (TC, HG 2463. 1-93) Packaging: 25kg/plastic woven bag or cardboard drum lined with plastic bag Applications: 1) Biochemistry: probable chitin synthesis and prostaglandin inhibitor. Hormone disturbing effect, leading to suppression of ecdysis. 2) Action: persistent insecticide and acaricide with contact and stomach action; not translocated in the plant. Inhibits molting of nymphs and larvae, leading to death. Also suppresses oviposition by adults; treated insects lay sterile eggs. 3) Uses: a) Insecticide with persistent larvicidal action against Homoptera, some Coleoptera and also Acarina b) Effective against Cicadellidae and Delphacidae (leafhoppers) in rice; Cicadellidae in potatoes; Aleyrodidae (whitefly) in citrus, cotton and vegetables; Coccidae, Diaspididae (scale insects) and Pseudococcidae (mealy bugs) in citrus. Toxicology: 1) Oral: acute oral LD50 for male rats 2198, female rats 2355, male and female mice >1000mg/kg 2) Skin and eyes: acute percutaneous LD50 for rats >5000mg/kg. Mild skin irritant (guinea pigs), not irritating to skin and eyes (rabbits) 3) Inhalation: LC50 (4h) for rats >4.57mg/L air 4) NOEL: for male rats 0.90, female rats 1.12mg/kg daily 5) ADI: 0.01mg/kg b.w. 6) Fish: LC50 (48h) for carp 2.7, rainbow trout >1.4mg/L 7) Bees: no direct effect on bees at 2000mg/L (WP formulation) 8) Other: no effect on various predators, non-carcinogenic, non-mutagenic Payment Term: L/C at sight Price Term: FOB Shanghai