optical brightener FP-127

Product Name Optical Brightening Agent FP-127 Chemical Name 1,1'-biphenyl-4,4'-bis-benzoxazole CAS No. 40470-68-6 C.I. No. 378 Molecular Formula C30H26O2 Molecular Weight 418 Technical Index Appearance:slight yellow powder Melting Point:219-221°C Purity:≥99% Maximum UV Spectrum Absorption:359nm Uses Mainly be used in whitening of plastics such as PVC,PS,ABS,TPR,etc. Package 25kg per fiber drum