Formulation: A solution in acetonitrile
Formal Name: 5-((2-(2-(butoxy-d9)ethoxy)ethoxy)methyl)-6-propylbenzo[d][1,3]dioxole
Purity: ≥99% deuterated forms (d1-d9)
Formula Markup: C19H21D9O5
Formula Weight: 347,5
Shelf life (days): 730
CAS Number: 1329834-53-8
Notes: Piperonyl butoxide-d9 is intended for use as an internal standard for the quantification of piperonyl butoxide (Item No. 25820) by GC- or LC-MS. Piperonyl butoxide is an insecticide synergist.{37755,37756} It inhibits cytochrome P450 (CYP) activity in western corn rootworm (D. virgifera) abdominal microsomes in a concentration-dependent manner.{65820} Piperonyl butoxide increases the toxicity of the pyrethroid insecticide deltamethrin (Item No. 24172) to field-collected, deltamethrin-resistant strains of the bed bug C. lectularius by 5.6- to 176-fold when used at a concentration of 50 μg/μl.{37756} Piperonyl butoxide also increases the toxicity of the organotin insecticide cyhexatin to fourth instar larvae of susceptible strains of the cotton leafworm S. littoralis.{43336} It is not toxic to the freshwater invertebrates H. azteca, C. tentans, and L. variegatus (LC50s = 530, 2,740, and 3,540 μg/L, respectively) and reduces the toxicity of the organophosphate pesticides diazinon (Item No. 23769), chlorpyrifos (Item No. 21412), and azinphos-methyl.{37755} Formulations containing piperonyl butoxide have been used in the control of agricultural, household, and veterinary pests.
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