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Company: Guangzhou Chengshuai New Material Co.,Ltd.
No.10, Jiqingxiang, Shiyicun, Shilou Town, Panyu Dist., Guangzhou.China
Guangzhou 511447
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Date/Time:  10/10/19 7:56 GMT
 

OPTICAL BRIGHTENER OB CAS NO.7128-64-5

Guangzhou Chengshuai New Material Co.,Ltd.

Chemical name: 2.5-Bis-(5-tert-butyl-2-benzoxazolyl)thiophene
, CAS No.:7128-64-5
Molecular formular:C26H26N2O2S
Molecular weight:430


Specification
Appearance: Slight greenish yellow powder
Assay, %:≥98.0
Melting point,℃:200 – 204
Volatility, %: ≤0.5
Ash, %: ≤0.5
Particle size: pass 200 mesh


Application
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). info at hhochem.com

Minimum Order: 100 kilograms

OPTICAL BRIGHTENER OB CAS NO.7128-64-5
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