Product Name: Optical Brightener OB-1 CAS NO: 1533-45-5 Appearance: Bright yellow green crystalline powder Purity: ¡Ý98.5% Melting point: 355-360¡æ Solubility: It is insoluble in water,and it can be soluble in High Boiling Points such as Benzene Dichloride Application: Used in Whitening of polyester fibers and blended fabrics of polyester with cotton and other fibers
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