Description
It is a high molecular weight optical brightener / fluorescent whitening agent of the thiophenediyl benzoxazole class. It presents blue light in all the polymers of use.
Product Composition
- CAS number: 7128-64-5
- Chemical name: 2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole)
- Moleculair formula: C26H26N2O2S
- Molecular weight (g/mol): 430.56
Product Specification
- Content (%): 99.00 min
- Melting point/range (ºC): 196 – 205
- Transmittance 450 nm (%): 97.00 min
- Transmittance 500 nm (%):98.00 min
- Ash (%): 0.30 max
- Volatiles (%): 0.50 max
- Product form(s): Crystalline powder, Powder
- Packaging option(s): Carton
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