To provide a water-absorbing agent having high gel stability, small fluctuation of gel stability between grain sizes and having good water absorbing characteristics.SOLUTION: The water absorbent resin and the chelating agent are contained, and the particulate water absorbent mainly composed of the water absorbent resin and containing particles having a particle size of less than 300 m and particles having a particle diameter of 300 m or more and less than 850 m, which is defined by JIS standard sieve An agent, wherein the content of the chelating agent is 0.001 to 5 parts by weight based on 100 parts by weight of the water-absorbent resin solid content, and satisfies the formula (1) Particulate water absorbing agent containing sex resin as a main component. Selection drawing None【課題】ゲル安定性が高く、しかも粒度間のゲル安定性のばらつきが小さく、良好な吸水特性を有する吸水剤を提供する。【解決手段】吸水性樹脂及びキレート剤を含み、JIS標準篩で規定される粒子径が300μm未満の粒子と、300μm以上850μm未満の粒子とを含む、吸水性樹脂を主成分とする粒子状吸水剤であって、上記キレート剤の含有量が、吸水性樹脂固形分100重量部に対して、0.001~5重量部であり、かつ、式(1)を満たすことを特徴とする、吸水性樹脂を主成分とする粒子状吸水剤。【選択図】なし
