C.I.Number: 199:1 Chemical name: 4,4’-bis(2,4-cyano-phenlene)-benzene Formula: C24H16N2 Appearance: Slight yellow powder Melting point: 188 ~ 192℃ Purity: ≥99.0% Property: Bluish color shade with strong fluorescence, high whitening performance and excellent fastness to sublimation. Application: Suitable for the whitening and brightening of polyester, acetate and nylon fibers and for whitening plastics Packing: 25KG fiber drum.
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