2,3-Dithiahexane 2179-60-4 AI3-38157 CCRIS 3268 Disulfide, methyl propyl EINECS 218-551-2 FEMA No. 3201 METHYLPROPYL DISULPHIDE Methyl propyl disulfide Methyl propyl disulphide Methyldithiopropane Propyl methyl disulfide