optical brightener PF 135

optical brightener PF 135

Chemical name: 1.2- bis (5- methyl -2- benzoxazyl) - ethylene
Molecular formula: C18H14N2O2
Molecular weight: 290
CAS:12224-12-3
Properties: Light yellow-green crystalline powder, melting point 182-188 o C, maximum absorption wavelength 363 nm, fluorescent tone red and blue, has good fastness and light resistance, insoluble in water, soluble in benzene, alcohol, ester, ether and other organic solvents. Acid and alkali resistance, chemical properties are relatively stable, neutral, non-ionic.
Technical conditions:
Appearance: pale yellow crystalline powder
Color: bright red, blue
Melting point: 182-188 o C
Content: more than 98%
Fineness: through 200 mesh
Usage: Mainly used in PVC, polystyrene, polyacrylate, polyester film, high and low pressure polyethylene, ABS, plexiglass, business card, high-grade paper whitening and brightening.
Packaging: 25 kilograms cardboard drum packaging; in a cool, dry place to avoid light preservation.

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