Beijing Sinoweiye Chemical Technology Co.,Ltd

Fluorescent Brightener Agent KCB

• Category :

  Dyestuffs and Pigments/Acid Dyes

• Synonyms :

  KCB;Fluorescent Brightener 367;FLUORESCENT BRIGHTENER-KCB;1,4-bis(benziazolyl-2-yl-)naphth-alene;FBA 367;1,4-Bis(2-benzoxazoly)naphthalene;Optical Brightener KCB;C.I. 367;Fluorescent Whitening Agent KCB;2,2'-naphthalene-1,4-diylbis(1,3-benzoxazole);Optical Brightening Agent KCB;Optical Brightner KCB;hostalux kcb;

• CAS NO :

  5089-22-5

• EC NO :

  225-803-5

• Molecular Formula :

  C₂₄H₁₄N₂O₂

• Molecular Weight :

  362.3802

• Main Specifications :

• InChI :

  InChI=1/C24H14N2O2/c1-2-8-16-15(7-1)17(23-25-19-9-3-5-11-21(19)27-23)13-14-18(16)24-26-20-10-4-6-12-22(20)28-24/h1-14H

• Packing :

  25KG/FIBER DRUM

• Product description :

  Appearance: yellowish green crystals powder Melting point: 210-212°C Fluorescent tone: bluish bright wihte tone Solubility: insoluble in water,but soluble in ordinary organic solvents Packaging: Packaged in cardboard drums,20kg or 25kg each Properties:Fluorescence Brightener KCB belongs to benzoxazoles type fluorescence brightener. Having extremely strong effect of brightening, the tint is blue brilliant white light. Does not dissolve in water. The solubility in the following solvents of 100ml is: toluene is 1.02 grams; carbon tetrachloride is 0.8 grams; acetone is 0.17 grams, dimethyl formamide is 0.76 grams.

• Uses :

  It is used for whitening the synthetic fibers and plastic, has very obvious effect for whitening the colored plastic products. Large amount of it is used for whitening the plastic film and press molding materials. Can also be used for whitening the polyes

• Molecular Structure :