4-01-00-01523 (Beilstein Handbook Reference) 544-16-1 AI3-15310 BRN 1701036 Butyl nitrite CCRIS 838 EINECS 208-862-1 N-BUTYL NITRITE NCI-C56553 NSC 8426 Nitrous acid, butyl ester Nitrous acid, n-butyl ester