Commodity:Optical Brightener (OB-1)
CAS#:1533-45-5
Molecular formula: C28H18N2O2
Molecular weight: 414.45
Specification:
Appearance: Bright yellow – green crystalline powder
Odor: No odor
Content: ≥98.5%
Moisture: ≤0.5%
Melting point: 355-360℃
Boiling point: 533.34°C (rough estimate)
Density: 1.2151 (rough estimate)
Refractive index: 1.5800 (estimated)
Max. absorption wavelength: 374nm
Max. emission wavelength: 434nm
Packing: 25kg /drum
Storage conditions: Sealed in dry, Room Temperature
Stability: Stable. Incompatible with strong oxidizing agents.