Chemical Product Library / Reference

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

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for 4,4'-Bis(2-benzoxazolyl)stilbene

Chemical identity

English name4,4'-Bis(2-benzoxazolyl)stilbene
English synonymsFluorescent brightener OB-1;Optical brightener OB-1;FBA 127
Chinese name4,4'-双(2-苯并噁唑基)二苯乙烯
Chinese synonyms荧光增白剂OB-1;增白剂OB-1;荧光增白剂127
Chemical categoryOptical Brighteners
CAS No.1533-45-5
EINECS No.216-245-9
Molecular formulaC28H18N2O2
Molecular weight414.46
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Assay ≥98.0%; melting point ≥355°C; volatile matter ≤0.5%; color shade matches standard

Performance characteristics

Yellowish-green powder, high whitening effect, good heat resistance and light fastness

Application scenarios

Plastics whitening (PVC, PP, ABS), synthetic fibers, coatings, inks