1,1-Dimethylethyl nitrite 4-01-00-01622 (Beilstein Handbook Reference) 540-80-7 BRN 1209339 CCRIS 2098 EINECS 208-757-0 NITROUS ACID, t-BUTYL ESTER Nitrous acid, 1,1-dimethylethyl ester (9CI) alpha,alpha-Dimethylethyl nitrite tert-Butyl nitrite