Specification :

S-Bioallethrin

Common name: S-bioallethrin
IUPAC name: ( S) -3-allyl-2-methyl-4-oxocyclopent-2-enyl ( 1R, 3R) -2, 2-dimethyl-3-( 2-methylprop-1-enyl) cyclopropanecarboxylate
Alt: ( S) -3-allyl-2-methyl-4-oxocyclopent-2-enyl ( + ) -trans-chrysanthemate
Roth: ( S) -3-allyl-2-methyl-4-oxocyclopent-2-enyl ( 1R) -trans-2, 2-dimethyl-3-( 2-methylprop-1-enyl) cyclopropanecarboxylate
Chemi cal Abstracts name: [ 1R-[ 1a( S* ) , 3a] ] -2-methyl-4-oxo-3-( 2-propenyl) -2-cyclopenten-1-yl 2, 2-dimethyl-3-( 2-methyl-1-propenyl) cyclopropanecarboxylate
Other names: Esbiol; S-biothrin; esdepallé thrine
CAS RN: [ 28434-00-6]
EEC no.: 249-013-5

PHYSICAL CHEMISTRY
Composition: Esbiol contains 95% m/ m total isomers, of which 90% is esdepallé thrine. the remainder being essentially the ( R) -cyclopentenyl isomer, with 2000 mg OMS 3045/ kg, > 2000 mg OMS 3046/ kg.
Inhalation: LC50 ( 4 h) for rats c. 1.26 mg Esbiol/ l air, c. 2.63 mg OMS 3045/ l air.
NOEL: Esbiol: - ( 0.5 y) for rats 1000 mg/ kg diet. OMS 3045: - ( 2 y) for rats 500 ppm; not an oncogen up to 4500 mg/ kg diet; ( 2 y) for mice 250 ppm; not an oncogen up to 1250 mg/ kg diet; ( 1 y) for dogs 400 ppm.
Other: No mutagenic, carcinogenic, embryotoxic or teratogenic effects have been observed.
Toxicity class: WHO ( a.i.) II; EPA ( formulation) III
EC hazard: Xn; R20/ 22| N; R50, R53

ECOTOXICOLOGY
Birds: Acute oral LD50 for mallard ducks and bobwhite quail > 5000 mg/ kg; for chickens > 5000 mg esdepallé thrine/ kg. LC50 ( 8 d) for ducks and quail > 5000 mg/ kg diet.
Fish: LC50 ( 96 h) for rainbow trout 0.01, bluegill sunfish 0.033 mg/ l. LC50 ( 96 h, static test) for fathead minnow 0.0800, yellow perch 0.0078 mg/ l.