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          ER-III

          Fluorescent whitening agent ER-IIIdry powder
          Structural Formula:

          Molecular Formula:C24H16N2
          Molecular weight:332
          Quality Index:

          Item

          Index

          1.Appearance

          Light yellow crystal

          2.Fusion point

          289℃-291℃

          3. Purity

          ≥98%

          Function and characteristic:
          Bright yellow crystal, insoluble in water, soluble in DMF, high temperature resistance。

          Scope of application:
          Used for whitening and brightening of polyester fiber and spinning.
          Package and storage:
          25Kg carton lined with plastic bag, protect from light, transport by non-dangerous goods.





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