Fluorescent Brightener PF

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Product Name:?Fluorescent Brightener PF
Chemical Name: ?1,2-bis(5-methyl-2-benzoxazole)ethylene
:?1,2-bis(5-methyl-2-benzoxazole)ethylene;2,2′-(1,2-ethenediyl)bis[5-methylbenzoxazole];C.I. 481520;fluorescent brightener 135;2,2′-vinylenebis[5-methylbenzoxazole];Fluorescent Whitener DT;1.2 DI(5-MYTHYL-BENZIAZOLYL)ETHYLENE;Fluorescent brightener 135,2,2′-(1,2-Ethenediyl)bis[5-methylbenzoxazole]
CAS No:?1041-00-5
MW: 290.32
: ?Fluorescent Brightener


This product is better dispersion of milky white pulp body, was neutral. Is a non-ionic compounds. The temperature of 182 ° C to 184 ° C. Do not dissolve in water, soluble in DMF and ethanol, acid to pH = 2 ~ 3, alkali to pH = 10 or so. Resistant hard water to 5 × 10-4. The best dyeing temperature 150 ℃ (in neutral or weak alkaline bath), can withstand 180 ~ 200 ℃ baking. The slurry and diluent are not sensitive to light.


This product is used as a brightener for synthetic fiber, suitable for whitening of polyester, nylon, acetate fiber or synthetic fiber and cotton, wool blended fabric. Use it to improve the fabric of good light fastness and fastness to wet fastness.

Storage: Storage should be cool and ventilated, away from heat, fire, to prevent sun exposure, heat is strictly prohibited.
Package:?25kg PP bag for solid powder. 200L or 250KG Drum for Liquid.


Appearance White to light yellow crystalline powder
Content ≥99.5%
Moisture ≤0.1%
Insoluble ≤0.1%
Melting point 180-181°C
Particle(100mesh) 98%

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