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- OPTICAL BRIGHTENER OB CAS NO.7128-64-5
OPTICAL BRIGHTENER OB CAS NO.7128-64-5
Catalysts & Chemicals Auxiliary | Plastic Auxiliary Agents
USD 10.00 - 30.00 / Kg
100
30MT/MONTH
Shanghai ,China
Yes
Product Description:
Chemical name: 2.5-Bis-(5-tert-butyl-2-benzoxazolyl)thiophene CAS No.:7128-64-5 Molecular formula:C26H26N2O2S Molecular weight:430 Appearance: Slight greenish yellow powder Assay, %:≥98.0 Melting point,℃:200 – 204 Volatility, %: ≤0.5 Ash, %: ≤0.5 Particle size: pass 200 mesh Optical Brightener OB has excellent thermal stability, special whitening performance, good light stability and low volatility. It has an excellent blue effect. It is easily soluble in organic solvents and has good compatibility in different substrates. It is especially suitable for film and sheet for whitening and brightening of polyvinyl chloride, polystyrene, polyethylene polypropylene, thermoplastics, ABS, acetate, paints, paints and printing inks. The maximum absorption of the spectrum is 375 nm (in ethanol) and the maximum emission wavelength is 435 nm (in ethanol). at hhochem.
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