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Molecular Formula: C28H18N2O2

Appearance	bright yellow cystal powder
Melting point	353-360 ℃
Assay	≥ 99.0%
Ash	≤ 0.5%
Loss on drying	≤ 0.3%
Minimum ultraviolet absorption wavelength	374nm
Maximum ultraviolet absorption wavelength	434nm

Product Name: 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
Synonyms: 4,4'-BIS(2-BENZOXAZOLYL)STILBENE;
2,2'-(1,2-ETHENEDIYLDI-4,1-PHENYLENE)BISBENZOXAZOLE;
2,2'-(vinylenedi-p-phenylene)bisbenzoxazole;
2,2’-(1,2-ethenediyldi-4,1-phenylene)bis-benzoxazol;
fluorescentbrightener393;Fluorescent Brightener OB-1;
Optical Brightening Agent OB-1 C. I. 393;
OpticalBrighteningAgentOB-1C.I.

Product Categories:
Heterocyclic Building Blocks;Oxazoles

2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole Chemical Properties
mp >300 °C(lit.)
Stability: Stable. Incompatible with strong oxidizing agents.
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-37/39-24/25

2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole Usage And Synthesis
Chemical Properties solid

Molecular Formula: C28H18N2O2
Molecular Weight: 414.45
Hazard Symbols: Xi
WGKGermany: 1
HS Code: 29349990

Synonyms:4,4'-BIS(2-BENZOXAZOLYL)STILBENE; 2,2'-(vinylenedi-p-phenylene)bisbenzoxazole; OB-C;Fluorescent Brightener OB-1C.I.393; 1,2-Bis(4-(benzo[d]oxazol-2-yl)phenyl)ethene; ptical Brightening Agent OB-1

Appearance:Yellow-green Powder

Assay:99.0%min

Assay : 99%