Structure Amines are classified as primary(RNH2) secondary(R2NH), or tertiary(R3N) Depending on the number of organic substituents attached to nitrogen CH3NH2 (CH32NH (CH33N a methylamine dimethylamine trimethylamine primary secondar tertiary 伯胺(一级胺)仲胺(二级胺)叔胺(三级胺)Organic Chemistry Organic Chemistry Xiamen Xiamen University University Structure Amines are classified as primary (RNH 2 ), secondary (R 2NH), or tertiary (R 3N), depending on the number of organic substituents attached to nitrogen. CH 3NH 2 ( C H 3 ) 2NH ( C H 3 ) 3 N m ethylamine d i m ethylamine trimethylam ine pr i m a ry s e c o n d a ry t e rt i a ry 伯胺 (一级胺) 仲胺 (二级胺) 叔胺 (三级胺 )