2,4-DIPN 2,6-Bis(1-methylethyl)naphthalene 2,6-DIISOPROPYLNAPHTHALENE 24157-81-1 EINECS 246-045-1 EPA Pesticide Chemical Code 055803 NSC 166467 Naphthalene, 2,6-bis(1-methylethyl)- Naphthalene, 2,6-diisopropyl-