Similar names: Phosphonic acid, [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-, monoethyl ester, calcium salt (2:1) (9CI); Antioxidant 1425; BNX 1425; Calcium (3,5-di-tert-butyl-4-hydroxybenzyl monoethyl phosphonate); Calcium bis(ethyl 3,5-di-tert-butyl-4-hydroxybenzylphosphonate); Calcium bis(ethyl 3,5-di-tert-butyl-4-hydroxybenzylphosphonate); Calcium bis(monoethyl (3,5-di-tert-butyl-4-hydroxylbenzyl)phosphonate); Calcium bis[3,5-di(tert-butyl)-4-hydroxybenzyl(ethoxy)phosphinate]; Calcium bis[ethyl (3,5-di-tert-butyl-4-hydroxyphenyl)methanephosphonate]; Calcium bis[monoethyl (3,5-di-tert-butyl-4-hydroxybenzyl)phosphonate]; Calcium diethyl bis[[[3,5-(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]phosphonate]; IR 1425WL; Irgamod 195; Irganox 1425; Irganox 1425WL; Irganox I 1425; Bis(3,5-di-tert-butyl-4-hydroxybenzyl-monoethyl-phosphonate) calcium