I-xylene (xylol): ingxenye yamafutha alula etar yamalahle ewavilayo ku-140 °C, inhlanganisela yama-xylene amathathu (kakhulu i-meta, cishe ingxenye eyodwa kwezinhlanu i-para). Ihlanjwa nge-sulphuric acid ne-soda futhi inqunywa ku-137.5–142 °C. Isixazululi nempahla eluhlaza ye-para-xylene.