4,4′-Bis(2-benzoxazolyl)stilbene
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4,4′-Bis(2-benzoxazolyl)stilbene
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CAS No:
1533-45-5
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Formula:
C28H18N2O2
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Chemical Name:
4,4′-Bis(2-benzoxazolyl)stilbene
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Synonyms:
Benzoxazole,2,2′-(1,2-ethenediyldi-4,1-phenylene)bis-;Benzoxazole,2,2′-(vinylenedi-p-phenylene)bis-;2,2′-(1,2-Ethenediyldi-4,1-phenylene)bis[benzoxazole];p,p′-Bis(2-benzoxazolyl)stilbene;2,2′-(Vinylenedi-p-phenylene)bisbenzoxazole;4,4′-Di(benzoxazol-2-yl)stilbene;4,4′-Bis(2-benzoxazolyl)stilbene;Optical Brightener 1;C.I. 40674;Fluorescent Brightener 393;C.I. Fluorescent Brightener 393;Eastobrite OB 1;OB 1;Uvitex OB 1;Uvitex OB-ONE;Eastobrite OB 3;TM;TM (UV stabilizer);Benetex OB 1;2,2′-(1,2-Ethenediyl)bis(4,1-phenylene)bisbenzoxazole;Fluorescent brightener OB 1;1,2-Bis(4-(benzo[d]oxazol-2-yl)phenyl)ethene;2-[4-[2-[4-(1,3-Benzoxazol-2-yl)phenyl]ethenyl]phenyl]-1,3-benzoxazole;Benetex OB 1HP;120366-98-5;2252271-38-6
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CAS No:
Characteristics
52.1
7.47340
DryPowder
1.2151 (rough estimate)
365-368 °C
533.34°C (rough estimate)
285.1±21.0 °C
1.5800 (estimate)
-20°C
2.79E-12mmHg at 25°C
Safety Information
1
36/37/38
26-37/39-24/25
Xi
Stable. Incompatible with strong oxidizing agents.
P261; P305 + P351 + P338
H315; H319; H335
4,4′-Bis(2-benzoxazolyl)stilbene Use and Manufacturing
Fluorescent Brightener OB-1 is used for whitening polyester stock solution, especially suitable for whitening of polyester fiber and whitening of polyester and cotton and other blended fabrics. It can also be used for whitening of plastic products.
Dyes
Adhesives and sealants
25,000 - 100,000 lb
Benzoxazole, 2,2'-(1,2-ethenediyldi-4,1-phenylene)bis-: ACTIVE
Computed Properties
Molecular Weight:414.5
XLogP3:7.2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:4
Exact Mass:414.136827821
Monoisotopic Mass:414.136827821
Topological Polar Surface Area:52.1
Heavy Atom Count:32
Complexity:583
Undefined Bond Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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4,4′-Bis(2-benzoxazolyl)stilbene
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