Tuesday, August 14, 8:41 am
We just discovered the trade name and ingredients of the poison Dallas County is going to spray down on us -- Duet.
Prallethrin: (RS)-2-methyl-4-oxo-3-(2-propynyl) cyclopent-
2-enyl-(1RS)-cis, trans-chrysanthemate..........................................................................1.00%
Sumithrin®: 3-Phenoxybenzyl-(1RS, 3RS, 1RS, 3SR)-2,2-
dimethyl-3-(2-methylprop-1-enyl) cyclopropanecarboxylate............................................5.00%
Piperonyl Butoxide *........................................................................................................5.00%
OTHER INGREDIENTS ** ........................................................................................... 89.00%
100.00%
Contains 0.075 pounds of Prallethrin/Gallon, 0.375 pounds of Sumithrin®/Gallon
and 0.375 pounds of Piperonyl Butoxide (PBO)/Gallon
*(butylcarbityl)(6-propylpiperonyl) ether and related compounds
**Contains petroleum distillate
Prallethrin and Sumithrin (PDF) are a synthetic pyrethroid. (Permethrin, the active ingredient in the poison the trucks spray, is also a pyrethroid.) Piperonyl Butoxide increases the potency of the two pyrethroids.
Here is the label (PDF)
