An allergen deactivator including a compound of the following Formula 1: wherein R represents a straight or branched chain alkyl group of C1 to C30, and X represents H, Na, K, Mg or Ca. Also disclosed is a spray, a filter, a fiber, a fabric, a nonwoven article, a substrate, and a detergent using the allergen deactivator including the compound of Formula 1.次の式1の化合物、(式中、Rは、C1~C30の直鎖又は分枝鎖アルキル基を表わし、Xは、H、Na、K、Mg、又はCaを表す。)を含むアレルゲン不活性化剤。更に、式1の化合物を含むアレルゲン不活性化剤を使用したスプレー、フィルタ、繊維、布地、不織布物品、基材、及び洗剤が開示される。