Fluorescent Brightener ER CAS 13001-39-3

Fluorescent whitening agent ER-I has excellent light and heat resistance, and does not react with reducing agents, oxidants, hypochlorous acid compounds. It has the characteristics of good compatibility, small amount of addition, high fluorescence intensity and good whitening effect. It is suitable for whitening and brightening of polyester and its blended fabrics and acetate fibers. Fluorescent whitening agent ER-I is a stilbene fluorescent whitening agent. It is yellowish-green powder in appearance, and its color light is blue-purple fluorescence.