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CAS:5089-22-5
Optical Brightener KCB CAS:5089-22-5
Synonyms:
1,4-Bis(2-benzoxazolyl)naphthalene
1,4-Bis(2-Benzoxazolyl)Naphthalene
EINECS 225-803-5
1,4-bis-Benzoxazolyl-naphthalene
1,4-Bis(benzo[d]oxazol-2-yl)naphthalene
Fluorescent Brightener 367
2,2'-(1,4-Naphthalenediyl)bis(1,3-benzoxazole)
Benzoxazole, 2,2'-(1,4-naphthalenediyl)bis-
2,2'-naphthalene-1,4-diylbis(1,3-benzoxazole)
2,2-(1,4-NAPHT)BIS(BENZOXAZOLE(KCB)
 
Molecular Formula: C24H14N2O2
Molecular Weight: 362.380

SPECIFICATIONS AND PHYSICAL CHARACTERISTICS
TEST UNIT SPECIFICATION
APPEARANCE   YELLOW-GREEN POWDER
MELTING POINT 210.0-212.0
ASSAY % 99.00MIN
VOLATILES % 0.50MAX
COLOR SHADE   BLUE
FINENESS MESH 100MIN
 
PRODUCT FEATURES AND APPLICATIONS
*  KCB acts as an optical brightener
*  KCB functions by absorbing invisible ultraviolet radiation and re-emitting it as visible light in the blue range of the spectrum.
*  KCB is insoluble in water but soluble in ordinary organic solvents. Used to mask the yellowish cast sometimes observed in plastics and fibers after high temperature processing operations.
*  KCB can be used in
-Fibers/ Textiles/ Carpets
-Visual aspect &aesthetics
-Masking, where odor is suppressed

PACKAGE
25KG Fiber Drum
HANDLING AND STORAGE
Keep container tightly closed and dry and storage in cool place
 
Our company is a professional supplier of functional material additives. Our products include antioxidants, ultraviolet absorbers, light stabilizers, photoinitiators, heat stabilizers, nucleating agents, flame retardants, polyurethane chain extenders, nano light absorbing materials, antibacterial materials, functional masterbatches, colorants etc. After years of steadfast industry accumulation and technological innovation, a relatively complete additive industry chain has been formed in the rubber and plastic industry, ink industry, coating industry, textile printing and dyeing industry, functional resin and other industries. Significant achievements have been made in the field of additives.
 
 
 


UNICHEMIST manufacture & supply Optical Brightener KCB CAS:5089-22-5,if you want to buy it,please drop your inquiry to [email protected] ,we will reply you asap.If you have any custom synthesis or contract manufacturing compounds, please also feel free to contact us.



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