A chair with an antipanic table, comprising a flat supporting body and a joint that is embedded at least partially in said flat body and has two movement units: - a unit for tilting said flat body from a substantially horizontal arrangement to a substantially vertical arrangement and vice versa, about a tilting axis that coincides substantially with the longitudinal axis of an armrest of said chair to which said antipanic table is applied, - a unit for the rotation of said flat body about a rotation axis that is perpendicular thereto wherein said rotation unit comprises a cylindrical element that is inserted in an opening of said flat body along said rotation axis about which said flat body rotates, being provided laterally with a groove for guiding the rotation of said flat body,said tilting unit being provided with first means for locking the tilting of said flat body according to said substantially horizontal arrangement and said substantially vertical arrangement and said rotation unit being provided with second means for locking the rotation of said flat body according to at least two configuration positions defined on the same plane of arrangement, said tilting unit comprising: - a pivot, which is to be associated integrally with said armrest and is extended along said tilting axis, - an element for connection between said armrest and said flat body, which can rotate about said pivot and is provided with a sleeve-like portion fitted thereon, said first locking means comprising an element that is transverse to said pivot and is integral therewith proximate to one of its ends, and is adapted to abut against two walls of a cavity of ahead portion of said connecting element during the rotation of the lalter, said cylindrical element is integral. with said head portion. - a unit for tilting said flat body from a substantially horizontal arrangement to a substantially vertical arrangement and vice versa, about a tilting axis that coincides substantially with the longitudinal axis of an armrest of said chair to which said antipanic table is applied, - a unit for the rotation of said flat body about a rotation axis that is perpendicular thereto wherein said rotation unit comprises a cylindrical element that is inserted in an opening of said flat body along said rotation axis about which said flat body rotates, being provided laterally with a groove for guiding the rotation of said flat body,said tilting unit being provided with first means for locking the tilting of said flat body according to said substantially horizontal arrangement and said substantially vertical arrangement and said rotation unit being provided with second means for locking the rotation of said flat body according to at least two configuration positions defined on the same plane of arrangement, said tilting unit comprising: - a pivot, which is to be associated integrally with said armrest and is extended along said tilting axis, - an element for connection between said armrest and said flat body, which can rotate about said pivot and is provided with a sleeve-like portion fitted thereon, said first locking means comprising an element that is transverse to said pivot and is integral therewith proximate to one of its ends, and is adapted to abut against two walls of a cavity of ahead portion of said connecting element during the rotation of the lalter, said cylindrical element is integral. with said head portion.