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Optical Brightener OB
Appearance: Light yellow or milk white powder Purity: ≥99.0% Volatility: 0.5% max Melting point: 196-203°C
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Optical Brightener OB-1
Optical Brightener OB-1 Appearance: yellowish green powder Purity: ≥99% Volatility: 0.5% max Melting point: 358-360℃
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Optical Brightener FP-127
Optical Brightener FP-127 C.I.: 378 CAS NO.: 40470-68-6 Appearance: Yellowish or milk white crystal powder Purity: 99.0% Volatility: 0.3% max Melting Point: 219-221℃
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Optical Brightener KSN
Optical brightener KSN C.I.: 368 CAS NO.: 5242-49-9 Appearance: yellowish green crystalline powder Purity: ≥99.0% Volatility: 0.5% max
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Optical Brightener KCB
Optical Brightener KCB C.I.: 367 CAS NO.: 5089-22-5 Appearance: yellowish green crystal powder Purity : ≥99.0% Melting Point: 210-212℃
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