fluorescent brightener | Ranbar fp-127 fluorescent whitening agents

Structure type: stilbene bisbenzoxazole brightener

Chemical name: 4.4 -Bis(2-dimethoxystyryl)biphenyl

Molecular formula: C30H26O2

CAS No.: 40470-68-6

Molecular weight: 418

Technical index:

Appearance shape	light yellow crystalline powder
Purity	≥99%
Melting point	219～221℃
fineness	more than 300 mesh
Maximum ultraviolet absorption wavelength	368nm
Maximum fluorescence emission wavelength	436nm

Product features:
Ranbar FP-127 is a very efficient fluorescent whitening agent for plastics, with good whitening effect, high heat resistance and weather resistance, and long-term storage does not yellows, does not fade and other characteristics, it has good compatibility with PVC and polystyrene, PVC, PS and ABS and other plastics and plastic products have a good whitening effect. However, its weather resistance in PE is limited, and when dissolved in organic solvents, the maximum absorption wavelength is 368nm and the maximum emission wavelength is 436nm.

Product Application:
Ranbar FP127 fluorescent brightener has good compatibility with various plastics, suitable for brightening PVC, PS, ABS, TPR and other plastics, especially for PVC, polypropylene and other plastic products. The whitening effect of artificial leather products and the whitening effect of sports sole EVA is very good, it can be added to monomers or prepolymerized materials before or during polymerization, condensation or addition polymerization, and can also be added in the form of powder or particles before or during the molding of plastics and synthetic fibers.

Reference amount: The amount depends on the whiteness requirement.

Packing and storage:
Ranbar fp-127 fluorescent whitening agents is packaged in a 25KG paper bag and should be stored in a cool, dry place away from light.