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              20220326141712

              OB-1

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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)
                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.

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