Butylhydroxytoluene (Butylated hydroxytoluene, BHT, ionol, dibunol, agidol-1, E321).
Fomula (CH3)(tert-C4H9)2C6H2oo
Muchimiro chayo chakachena-chena poda. Unyanzvi ionol-yellow powder.
Inoshandiswa se antioxidant mukugadzira zvigadzirwa zvekudya, mafuta ekuzora, rubber, mapurasitiki, nezvimwe.
Iyo zvakare yekutanga komisheni yekubatanidzwa kweakasiyana anotorwa kubva munzvimbo inovharirwa phenols, mazhinji ayo ane biological chiitiko kana anoshandiswa muindasitiri.