mˈɛθəl vˈaɪnəl kˈɛtoʊn ˌɛmvˌiːkˈeɪ, ˈɪjuːpˌæk nˈeɪm: bjˈuːtənˌɑːn ɪz ðɪ ɔːɹɡˈænɪk kˈɑːmpaʊnd wɪððə fˈɔːɹmjʊlə sˌiːˈeɪtʃ θɹˈiː sˈiː ˈoʊ sˌiːˈeɪtʃ ˈiːkwəlz sˌiːˈeɪtʃ tˈuː.
Methyl vinyl ketone (MVK, IUPAC name: butenone) is the organic compound with the formula CH3C(O)CH=CH2.