1.0 2026-04-03 01:20:46 UTC 2026-08-20 04:19:44 UTC Phosphonic acid, [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-, diethyl ester SmallMolecule Phosphonic acid, [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-, diethyl ester belongs to the phenylpropanes, a subclass of benzene and substituted derivatives within the organic compounds. This benzenoid compound has the chemical formula $\text{C}_{19}\text{H}_{33}\text{O}_4\text{P}_1$ and an average molecular weight of 356.44 g/mol. In industrial applications, the compound is utilized as an antioxidant. It has been identified in nine recorded sources. These include various types of electrical and electronic equipment, such as antennas, coils, communication cables or conductors, discharge lamps, and electric switches, among two others. Additionally, the substance is found in household items, specifically credit card holders, and is associated with food, food processing and cookware, where it is used in the processing of meats. 2,6-ditert-butyl-4-(diethoxyphosphorylmethyl)phenol 213-551-9 Antioxidant 1222 Diethyl ((3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)methyl)phosphonate diethyl (3,5-di-tert-butyl-4-hydroxybenzyl)phosphonate DIETHYL (3,5-DI-TERT-BUTYL-4-HYDROXYPHENYL)METHYLPHOSPHOTE Diethyl 3,5-di-tert-butyl-4-hydroxybenzyl phosphate Diethyl 3,5-Di-tert-butyl-4-hydroxybenzylphosphonate Diethyl [4-hydroxy-3,5-bis(2-methyl-2-propanyl)benzyl]phosphonate diethyl [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]phosphonate Diethyl [[3,5-dis(1,1-dimethylethyl)-4-OHphenyl]methyl]phosphonate Diethyl(3,5-di-tert-butyl-4-OHphenyl)methanephosphonate diethyl3,5-di-tert-butyl-4-hydroxybenzylphosphate Diethyl[4-OH-3,5-bis(2-methyl-2-propanyl)benzyl]phosphonate EINECS 213-551-9 Irganox 1222 Monoethyl 3,5-Di-tert-butyl-4-hydroxybenzylphosphonate Phosphonic acid, ((3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)methyl)-, diethyl ester Phosphonic acid, P-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-, diethyl ester Phosphonic acid, [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-, diethyl ester Phosphonic acid,P-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-, diethyl ester phosphoric acid (3,5-ditert-butyl-4-hydroxyphenyl)methyl diethyl ester UNII-V6MOU97T5J UNII:V6MOU97T5J [976-56-7] {[3,5-bis(tert-butyl)-4-hydroxyphenyl]methyl}diethoxyphosphino-1-one C19H33O4P1 356.443 356.211646 976-56-7 CCOP(=O)(CC1=CC(=C(O)C(=C1)C(C)(C)C)C(C)(C)C)OCC InChI=1S/C19H33O4P/c1-9-22-24(21,23-10-2)13-14-11-15(18(3,4)5)17(20)16(12-14)19(6,7)8/h11-12,20H,9-10,13H2,1-8H3 GJDRKHHGPHLVNI-UHFFFAOYSA-N Organic compounds Benzenoids Benzene and substituted derivatives Phenylpropanes Phenylpropanes Dialkyl alkylphosphonates Hydrocarbon derivatives Organic oxides Organooxygen compounds Organophosphorus compounds Organopnictogen compounds Phenols Phosphonic acid esters Aromatic homomonocyclic compound Dialkyl alkylphosphonate Hydrocarbon derivative Organic oxide Organic oxygen compound Organooxygen compound Organophosphonic acid derivative Organophosphorus compound Organopnictogen compound Phenol Phenylpropane Phosphonic acid diester Phosphonic acid ester Aromatic homomonocyclic compounds Detected and Not Quantified logp 4.7 average_mass 356.443 ChemAxon mono_mass 356.211646 ChemAxon smiles CCOP(=O)(CC1=CC(=C(O)C(=C1)C(C)(C)C)C(C)(C)C)OCC ChemAxon formula C19H33O4P1 ChemAxon inchi InChI=1S/C19H33O4P/c1-9-22-24(21,23-10-2)13-14-11-15(18(3,4)5)17(20)16(12-14)19(6,7)8/h11-12,20H,9-10,13H2,1-8H3 ChemAxon inchikey GJDRKHHGPHLVNI-UHFFFAOYSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f7224e82b30> 70421 63600