OPTICAL BRIGHTNER OB CAS NO.7128-64-5
Product Quick Detail
- Minimum Order
- 100KG
- Packaging
- 25KG/CARTON
- Delivery
- 1 WEEK
Specifications
Chemical name:2.5-Bis-(5-tert-butyl-2-benzoxazolyl)thiophene
CAS No.:7128-64-5
Molecular formular: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). info at hhochem. com
- Country: China (Mainland)
- Business Type: Manufacturer
- Market:Americas,Asia,Europe,Middle East,Oceania
- Founded Year:2010
- Address:No.10, Jiqingxiang, Shiyicun, Shilou Town, Panyu Dist., Guangzhou.China
- Contact:David
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