2-Nitrosotoluene (CAS NO.611-23-4) is also named as 1-Methyl-2-nitrosobenzene ; 2-Methyl-1-nitrosobenzene ; 2-Methylnitrosobenzene ; 4-05-00-00844 (Beilstein Handbook Reference) ; BRN 1927295 ; CCRIS 480 ; NSC 66507 ; o-Methylnitrosobenzene ; o-Nitrosotoluene . 2-Nitrosotoluene (CAS NO.611-23-4) is a colorless solid.