1,4-Benzenedimethanethiol (CAS NO.105-09-9), its Synonyms are 1,4-Benzenebis(methanethiol) ; 1,4-Bis(mercaptomethyl)benzene ; alpha,alpha'-p-Xylenedithiol ; p-Xylylenedithiol ; p-Xylene-alpha,alpha'-dithiol .