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Optical Brightener Ksn

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Optical Brightener KSN / CAS : 5242-49-9

Appearance Yellow powder UN 0.0
HS 32042000 DG Class 0.0
Synonyms 2-[4-[4-(2-Benzoxazolyl)Styryl]Phenyl]-5-Methylbenzoxazole; 4-(Benzoxazol-2-Yl)-4'-(5-Methylbenzoxazol-2-Yl)Stilbene; 4,4'-Bis-(5-Methyl-2-Benzoxazolyl)-Stilben; 5-Methyl-2,2'-(Vinylenedi-p-Phenylene)bis-Benzoxazole; Fluorescent Brightener KSN; Optical Brightener 368; 2-(4-{2-[4-(Benzoxazol-2-yl)Phenyl]Vinyl}Phenyl)-5-Methylbenzoxazole; 4-(2-Benzoxazolyl)-4'-(5-Methyl-2-Benzoxazolyl)Stilbene; KSN; FBA 368
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Properties

Summary

Formula
C29H20N2O2
Molecular Mass
428.48100
Exact Mass
428.15200
PSA
52.06000
Logp
7.78180
IUPAC
2-[4-[(E)-2-[4-(1,3-benzoxazol-2-yl)phenyl]ethenyl]phenyl]-5-methyl-1,3-benzoxazole
SMILES
CC1=CC2=C(C=C1)OC(=N2)C3=CC=C(C=C3)/C=C/C4=CC=C(C=C4)C5=NC6=CC=CC=C6O5

Attribute classification

Matter Classification
organic
Category
Surfactants, Catalysts > Surface Active Agent
Auxiliary > Plastic Rubber Chemicals
Auxiliary > Fluorescent Brightener

Chemical and Physical Properties

Melting Point
269-271ºC
Density
1.26
Boiling Point
578.9ºC at 760 mmHg
Flash Point
290.9ºC
Appearance
Yellow powder

Export information

HS Code
32042000
Export Rebate
13%
UN No.
0.0
DG-Class
0.0
Safety Label
Xi

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