etohexadiol etohexadiol etohexadiol (or ethohexadiol) is an ectoparasiticide. it was known as the insect repellent "6-12" (six-twelve), or rutgers 612. its use in the u.s. was halted in 1991 after it was shown to cause developmental defects in animals. etohexadiol names iupac name 2-ethylhexane-1,3-diol identifiers cas number 94-96-2 y 3d model (jsmol) interactive image chembl chembl1451179 n chemspider 21106534 n echa infocard 100.002.162 kegg c14271 n pubchem cid 7211 unii m9jgk7u88v y comptox dashboard (epa) dtxsid4025292 inchi inchi=1s/c8h18o2/c1-3-5-8(10)7(4-2)6-9/h7-10h,3-6h2,1-2h3 nkey: rwlalwynxfyrgw-uhfffaoysa-n ninchi=1/c8h18o2/c1-3-5-8(10)7(4-2)6-9/h7-10h,3-6h2,1-2h3key: rwlalwynxfyrgw-uhfffaoyao smiles cccc(c(cc)co)o properties chemical formula c8h18o2 molar mass 146.230 g·mol−1 pharmacology atc code p03bx06 (who) 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