optical brightener fluorescent brightener fluorescent brightening agent
t is widely used in thermoplastic such as PVC, PE, PP, ABS, PS,unsaturated resin, paint, ink and oil soluble coatings.
Optical Brightener OB
Product Name |
Optical brightener OB ( C.I.184) |
MF |
C26H26N2O2S |
EINECS No |
230-426-4 |
CAS No |
7128-64-5 |
Chemical Name |
2,5-Thiophenediylbis(5-tert-butyl-1,3-benzoxazole) |
MF |
C26H26N2O2S |
Appearance |
Light green powder |
Purity |
≥98% |
Melting point |
196-202 °C |
Volatile: |
<0.5% |
Package |
20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements. |
Applications: It is widely used in thermoplastic such as PVC, PE, PP, ABS, PS,unsaturated resin, paint, ink and oil soluble coatings. |
|
Properties: The product is light green or green powder, non-toxic and tasteless, can dissolve in alkane, fat, mineral oil, paraffin and most organic solvents, the absorption spectra of the largest value for 375 mm (in ethanol). |
|
Dosage: PVC: White 0.01~0.05% Transparent: 0.0001~0.001%(to improve the brightness) PS: White 0.001 Transparent: 0001~0.001%; ABS:Natural color 0.01~0.05% White 0.01-0.05% PE,PP: Colorless 0.0005~0.001% White 0.005~0.05% |
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