Min. Order Reference FOB Price
20 kg Negotiable
Product Description
Product Description Product Name Optical Brightening Agent KSN Chemical Name 4.4-bis(5-methyl-2-benzoxoazol)-ethylene CAS No. 5242-49-9 C.I. No. 368 Molecular Formula C29H20N2O2 Properties 1. being highly whiteness with small usage. 2. multipurpose used for whitening of polyester ...