Basic information
CAS NO
5089-22-5;63310-10-1
EINECS
225-803-5
Molecular Formula
C24H14N2O2
Molecular Weight
362.3802
English Name
Fluorescent Brightener KCB
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
Physical and Chemical Properties
Density
1.32g/cm3
Refractive index
1.731
Melting point
210-212℃
Boiling point
521.9°C at 760 mmHg
Flash point
263.1°C
Water Solubility
insoluble
Vapour Pressure
1.8E-10mmHg at 25°C
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