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Tetramethrin

Common Name: Tetramethrin
Chemical Name: (1,3,4,5,6,7-Hexahydro-1,3-dioxo-2H-isoindol-2-yl) methyl 2,2-dimethyl-3-
(2-methyl-1-propenyl)
CAS No. : 7696-12-0
HS Code: 38081090
Molecular Formula: C19H25NO4
Molecular Weight: 331.41
Physical Properties:
Technical grade tetramethrin is a colourless solid with a melting point of 65-800C. The specific gravity is 1.11 at 20 0C, and the vapour pressure is 0.946 mPa (7.1 x 10-6 mmHg) at 30 0C. It is sparingly soluble in water (4.6 mg/litre at 30 0C) but soluble in organic sol-vents such as hexane, methanol, and xylene. It is stable to heat but unstable to light and air. The [1R, cis/trans] isomer of tetramethrin is a yellow viscous liquid but otherwise has physical and chemical properties similar to tetramethrin.
Application:
Synthetic pyrethroids are neuropoisons acting on the axons in the peripheral and central nervous systems by interacting with sodium channels in mammals and/or insects. A single dose produces toxic signs in mam-mals, such as tremors, hyperexcitability, alivation, choreoathetosis, and paralysis. The signs disappear fairly rapidly, and the animals recover, generally within a week. At near-lethal dose levels, synthetic pyrethroids cause transient changes in the nervous system, such as axonal swelling and/or breaks and myelin degeneration in sciatic nerves. They are not considered to cause delayed neurotoxicity of the kind induced by some organophosphorus compounds.
Technical Purity: 95%TC
Formulation Type: 20%EC, 50%EC