PROBLEM TO BE SOLVED: To provide a metal ultra silver ultrafine particle-containing dispersion in which metal ultrafine particles having excellent antibacterial performance disperse without aggregation at high concentration, and which can maintain excellent dispersibility after passage of long time and is extremely excellent in transparency when mixing with a resin composition.SOLUTION: It has metal ultrafine particles which aliphatic acid and glyceride are coordinated on a surface of metal ultrafine particles of any Ag, Cu and Zn in a low boiling point solvent.COPYRIGHT: (C)2015,JPO&INPIT【課題】優れた抗菌性能を有する金属超微粒子が高濃度で凝集することなく分散し、しかも長時間経過後も優れた分散性が維持可能で、樹脂組成物と混合した場合において、透明性にも顕著に優れた金属超銀超微粒子含有分散液を提供する。【解決手段】低沸点溶剤中に、Ag、Cu,Znの何れかの金属超微粒子表面に脂肪酸とグリセリドが配位して成る金属超微粒子を含有することを特徴とする。【選択図】なし