Synonyms: 2H-1-Benzopyran-2-one,4-methyl-6,7-bis(sulfooxy)-, disodium salt (9CI); Coumarin,6,7-dihydroxy-4-methyl-, bis(hydrogen sulfate), disodium salt (7CI,8CI);Coumarin, 6,7-dihydroxy-4-methyl-, disulfate disodium salt (6CI);4-Methylesculetin disulfate disodium salt; 4-Methylesculetol disulfate disodiumsalt; Disodium 4-methyl-2-oxochromene-6,7-diyl disulfate; Disodium4-methylesculetol disulfate; Hydro P2; Idro P2; MG 143;O,O-Bis(sodiosulfo)-4-methylesculetol