A novel oxygen absorbent composition capable of realizing an oxygen absorbent not sensitive to metal detectors and suppressing an increase in the intensity of odor after oxygen absorption and having excellent oxygen absorbing performance under a wide range of dity conditions from low dity to high dity and oxygen absorbent packaging And so on. The oxygen absorber composition of the present invention contains at least one compound having a tetralin ring represented by the following formula (1), and a transition metal catalyst.[Formula 1] (Wherein, ROne~ R8An aryl group, a heterocyclic group, a cyano group, a hydroxyl group, a carboxyl group, an ester group, an amide group, an amide group, an amide group, an amide group, At least one member selected from the group consisting of a halogen atom, a nitro group, an alkoxy group, an aryloxy group, an acyl group, an amino group, a mercapto group, an alkylthio group, an arylthio group, a heterocyclic thio group and an imide group, And R