Chemical Compositions

4,4'-bis(2-methoxystyryl)-1,1'-biphenyl

CAS NO.

40470-68-6 (164908-53-6)

Molecular Formula

C30H26O2

Features

Light yellow crystalline powder. Is a high-purity optical brightener, insoluble in water, odorless, stable performance.

Technical index

Melting point 216-222 ℃ 
Content ≥ 99% 
Maximum absorption wavelength 364nm 
Volatiles≤ 0.5%

Main application

have a very good whitening effect on all kinds of plastic products , more excellent whitening effect on the PVC, PE and other plastic products, the Brightening Enhancement effect on the man-made leather products is particularly desirable. Can also be used for other thermoplastics such as: PMMA, cellulose carbonate. Blue fluorescence in all polymers.

Recommended dosage

The general amount 0.01-0.05%, the amount of transparent material is 0.0001-0.001%.

Packing

10 kg cartons lined with plastic bag.

Storage

Keep away from heat and heat and avoid exposure. No direct contact with acid and alkali or mixed. Shelf life is two years.