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  • Optical Brightener (OB-1), CAS#1533-45-5

    Optical Brightener (OB-1), CAS#1533-45-5

    Commodity:Optical Brightener (OB-1)
    Molecular formula: C28H18N2O2
    Molecular weight: 414.45

    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.