1. CAS No.：38775-22-3                                                                                                                                                          

2. Light yellowish green powder, water-soluble, good cyan shade & solubility & dispersibility.                                                                                     

3. Bleach-resistant fluorescent whitening agent with high stability to sodium hypochlorite.                                                                                                                                                               

4. High stability against alkali & high washing fastness.