imiprothrin imiprothrin imiprothrin is a synthetic pyrethroid insecticide. it is an ingredient in some commercial and consumer insecticide products for indoor use. it has low acute toxicity to humans through the inhalation and dermal routes, but to insects it acts as a neurotoxin causing paralysis. it is effective against cockroaches, waterbugs, ants, silverfish, crickets and spiders, among others. imiprothrin names preferred iupac name methyl 2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate other names pralle; multicide identifiers cas number 72963-72-5 y 3d model (jsmol) interactive image chebi chebi:39389 chemspider 110211 y echa infocard 100.106.762 ec number 615-873-9 kegg d01889 pubchem cid 123622 unii 73ofa861wy y comptox dashboard (epa) dtxsid8034669 inchi inchi=1s/c17h22n2o4/c1-6-7-18-9-13(20)19(16(18)22)10-23-15(21)14-12(8-11(2)3)17(14,4)5/h1,8,12,14h,7,9-10h2,2-5h3 nkey: vpraqyxpzifioh-uhfffaoysa-n n smiles o=c(ocn1c(=o)cn(c1=o)cc#c)c2c(\c=c(/c)c)c2(c)c properties chemical formula c17h22n2o4 molar mass 318.373 g·mol−1 appearance golden yellow liquid odor slightly sweet density 0.979 g/ml hazards ghs labelling: pictograms signal word warning hazard statements h302, h410 precautionary statements p264, p270, p273, p301+p312, p330, p391, p501 flash point 110 °c (230 °f; 383 k) except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references