4,4'-Bis(2-benzoxazolyl)stilbene

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Names

[ CAS No. ]:
1533-45-5

[ Name ]:
4,4'-Bis(2-benzoxazolyl)stilbene

[Synonym ]:
fluorescentbrightener393
44BIS2BENZOXAZOYLSTILBENE
4.4'-Bis-<2-benzoxazolyl>-stilben
MFCD00022846
4,4'-Bis(2-benzoxazolyl)stilbene
OPTICAL BRIGHTENER 393
optical brightener OB-1
OB-C
EINECS 216-245-3
4,4′-Bis(2-benzoxazolyl)stilbene
Fluorescent Brightener OB-1
1,2-Bis(4-(benzo[d]oxazol-2-yl)phenyl)ethene
B-OB-1
OpticalBrighteningAgentOB-1C.I.
2,2-(1,2-ETHENEDIYLDI-4,1-PHENYLENE )BIS(BENZOXAZOLE)

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
566.8±39.0 °C at 760 mmHg

[ Melting Point ]:
>300 °C(lit.)

[ Molecular Formula ]:
C28H18N2O2

[ Molecular Weight ]:
414.455

[ Flash Point ]:
285.1±21.0 °C

[ Exact Mass ]:
414.136841

[ PSA ]:
52.06000

[ LogP ]:
8.42

[ Vapour Pressure ]:
0.0±1.5 mmHg at 25°C

[ Index of Refraction ]:
1.731

[ Storage condition ]:
-20°C

[ Stability ]:
Stable. Incompatible with strong oxidizing agents.

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-37/39-24/25

[ WGK Germany ]:
1

Related Compounds

  • 4,4'-Bis(5-methyl-2-benzoxazolyl)stilbene
  • 4,4'-bis-[2-(dimethylsilanyl)vinyl]stilbene
  • 4,4'-Bis(2,4-dimethylphenyloxycarbonyl)stilbene
  • 4,4'-bis[2,6-di(2-Naphthoxy)pyrimidin-4-ylamino] stilbene-2,2'-disulfonic acid
  • 4,4'-bis[[2,5-dimethyl-4-[(4-sulphophenyl)azo]phenyl]azo]stilbene-2,2'-disulphonic acid
  • 4,4'-bis[[2,5-dimethyl-4-[(4-sulphophenyl)azo]phenyl]-N,N,O-azoxy]stilbene-2,2'-disulphonic acid, ammonium sodium salt