To provide an oxetane compound having excellent ink curability and substrate adhesiveness independent of the environmental humidity even under a light source of low lighting intensity and giving a high-quality image free from bleeding defect, an ink for ink-jet recording to give a high-quality image and an image-forming method to use the ink for ink-jet recording.

The oxetane compound contains an electron donative group and an electron attracting group in the molecule and has a substituent at the 2-position.