PROBLEM TO BE SOLVED: To provide a water-absorbent resin particle that has excellent handling ability, prevents the occurrence of a bad smell after water absorption, and has an excellent water-absorption rate.SOLUTION: Disclosed is a water-absorbent resin particle in which the water-absorption rate of physiological saline is 1 second to 15 seconds, the median particle size is 100 to 600 μm, and the content of residual volatile components is 1.5 mass% or less.SELECTED DRAWING: None【課題】ハンドリング性に優れ、吸水後の臭気の発生が抑制され、かつ吸水速度に優れる吸水性樹脂粒子を提供すること。【解決手段】生理食塩水の吸水速度が1~15秒であり、中位粒子径が100~600μmであり、残存揮発成分量が1.5質量%以下である、吸水性樹脂粒子。【選択図】なし