Synonyms: PSS-CHLOROPROPYL-HEPTAISOBUTYL SUBSTITU&;1-CHLOROPROPYL-3,5,7,9,11,-ISOBUTYLPENTA-CYCLO-(9.5.1.1(3,9).)OCTASILOXANE, 97%;pss-chloropropyl-heptaisobutyl substituted;Chloropropylisobutyl-PSS, PSS-Chloropropyl-isobutyl substituted, 1-Chloropropyl-3,5,7,9,11,13,15-isobutylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane