Fluorescent Brightener 389
Name:C.I.Fluorescent Brightener 389,C.I.505107
Molecular Structure: Pyrazoline
Molecular Formula:C21H26ClN3O3S
Molecular Weight: 435.97
CAS Registry Number:6608-80-6
Manufacturing Methods :
Properties and Applications: red light. In 10 ℃ when Formic acid solution, then use hot water dilution. To hard water stability. Used in acrylic yarn dyed in before the resin finishing agent.
Acid-proof | Alkali-proof | Chlorine bleaching | Sodium hyposulfite | Light Fastness | Oxygen bleaching | Soaping |
5 | 4-5 | 5 |
List of Suppliers:
Hostalux SN(Hoechst A G)