Title: Phenothrin
CAS Registry Number: 26002-80-2
CAS Name: 2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylic acid (3-phenoxyphenyl)methyl ester
Additional Names: 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylic acid m-phenoxybenzyl ester; 3-phenoxybenzyl cis,trans-chrysanthemate
Manufacturers' Codes: S-2539
Trademarks: Sumithrin (Sumitomo)
Molecular Formula: C23H26O3
Molecular Weight: 350.45
Percent Composition: C 78.83%, H 7.48%, O 13.70%
Literature References: Synthetic pyrethroid insecticide. Prepn of racemic mixture: N. Itaya et al., DE 1926433 corresp to US 3666789 (1969, 1972 to Sumitomo). Comparative activity of isomers: K. Fujimoto et al., Agric. Biol. Chem. 37, 2681 (1973); Y. Okuno et al., DE 2348930 corresp to US 3934023 (1973, 1976 to Sumitomo). Analysis: Y. Takimoto et al., Anal. Methods Pestic. Plant Growth Regul. 13, 133-146 (1984). Review of toxicology and human exposure: Toxicological Profile for Pyrethrins and Pyrethroids (PB2004-100004, 2003) 332 pp.
Properties: The commercial product is a mixture of isomers. Colorless liquid. d2525 1.06; nD25 1.5483. Sol in acetone, xylene. Insol in water.
Index of refraction: nD25 1.5483
Density: d2525 1.06
Use: Insecticide.

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