Optical Brightener KSN

Specification: molecular formula: C30H22N2O2 molecular weight: 442 CAS NO.:5242-49-9 HS Code:32042000 C.I. Number:368 Appearance: yellow crystal powder Melting point: 275ºCâ??280ºC Purity: â?¥99.5% Fineness: 120 It is insoluble in water odorless with stable function. Use: It is used to whiten and brighten polyester, daiamid, polypropylene fiber. And it is also suitable in whitening and brightening plastic material. Package: packed in 25kg chipboard pail inside double plastic bags lining. Also packed according to customersâ?? requirements.