An oxygen absorbing agent composition comprising: a compound (A) having two or more tetralin rings; and a transition metal catalyst, wherein the compound (A) is a compound represented by at least any one selected from the group consisting of the following general formulas to : wherein R each independently represents a monovalent substituent; the monovalent substituent is at least one selected from the group consisting of a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxy group, a carboxyl group, an ester group, an amide group, a nitro group, an alkoxy group, an aryloxy group, an acyl group, an amino group, a thiol group, an alkylthio group, an arylthio group, a heterocyclic thio group and an imide group; R may each further have a substituent; one or more hydrogen atom is bonded to a benzylic position of at least one tetralin ring; X represents a divalent group containing at least one group selected from the group consisting of an aromatic hydrocarbon group, a saturated or unsaturated alicyclic hydrocarbon group, a linear or branched saturated or unsaturated aliphatic hydrocarbon group and a heterocyclic group; Y represents an ester group or an amide group; and m represents an integer of 0 to 7, n represents an integer of 0 to 3, p represents an integer of 0 to 4, q represents an integer of 0 to 6, and t represents an integer of 0 to 6 and wherein the transition metal catalyst is contained in an amount of from 0.001 to 10 parts by mass in terms of the transition metal amount, based on 100 parts by mass of the compound (A). a compound (A) having two or more tetralin rings; and a transition metal catalyst, wherein the compound (A) is a compound represented by at least any one selected from the group consisting of the following general formulas to : wherein R each independently represents a monovalent substituent; the monovalent substituent is at least one selected from the group consisting of a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxy group, a carboxyl group, an ester group, an amide group, a nitro group, an alkoxy group, an aryloxy group, an acyl group, an amino group, a thiol group, an alkylthio group, an arylthio group, a heterocyclic thio group and an imide group; R may each further have a substituent; one or more hydrogen atom is bonded to a benzylic position of at least one tetralin ring; X represents a divalent group containing at least one group selected from the group consisting of an aromatic hydrocarbon group, a saturated or unsaturated alicyclic hydrocarbon group, a linear or branched saturated or unsaturated aliphatic hydrocarbon group and a heterocyclic group; Y represents an ester group or an amide group; and m represents an integer of 0 to 7, n represents an integer of 0 to 3, p represents an integer of 0 to 4, q represents an integer of 0 to 6, and t represents an integer of 0 to 6 and wherein the transition metal catalyst is contained in an amount of from 0.001 to 10 parts by mass in terms of the transition metal amount, based on 100 parts by mass of the compound (A). <EOS>