klˈɑːmɐzˌoʊn wʌz fˈɜːst ɹˈɛdʒɪstɚd baɪ ðə jˈuːzɛpə ˌɔn mˈɑːɹtʃ ˈeɪt, nˈaɪntiːnhˈʌndɹɪd nˈaɪnti θɹˈiː, ænd wʌz kəmˈɜːʃəlˌaɪzd baɪ ˌɛfˌɛmsˈiː kˌɔːɹpɚɹˈeɪʃən.
Clomazone was first registered by the USEPA on March 8, 1993, and was commercialized by FMC Corporation.