Brown FK, also called Kipper Brown, Chocolate Brown FK, and C.I. Food Brown 1, is a brown mixture of six synthetic azo dyes, with addition of sodium chloride, and/or sodium sulfate.
bɹˈaʊn ˌɛfkˈeɪ, ˈɔːlsoʊ kˈɔːld kˈɪpɚ bɹˈaʊn, tʃˈɑːklət bɹˈaʊn ˌɛfkˈeɪ, ænd sˈiː.ˈaɪ. fˈuːd bɹˈaʊn wˈʌn, ɪz ɐ bɹˈaʊn mˈɪkstʃɚɹ ʌv sˈɪks sɪnθˈɛɾɪk ˈɑːzoʊ dˈaɪz, wɪð ɐdˈɪʃən ʌv sˈoʊdiəm klˈoːɹaɪd, ænd slˈæʃ ɔːɹ sˈoʊdiəm sˈʌlfeɪt.