Chemical Product Library / Reference
Fluorescent brightener ER
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Fluorescent brightener ER |
|---|---|
| English synonyms | ER;Fluorescent brightener ER;1,4-Bis(2-cyanostyryl)benzene |
| Chinese name | 荧光增白剂ER |
| Chinese synonyms | 荧光增白剂ER;增白剂ER;1,4-双(2-氰基苯乙烯基)苯 |
| Chemical category | Optical Brighteners |
| CAS No. | 13001-39-3 |
| EINECS No. | 235-836-9 |
| Molecular formula | C24H16N2 |
| Molecular weight | 332.4 |
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 ≥220°C; volatile matter ≤0.5%; color shade matches standard
Performance characteristics
Yellowish-green powder, high whitening effect, good heat resistance
Application scenarios
Polyester fibers, plastics, coatings