Optical Brightener FP-127
Optical Brightener FP-127 is supplied by Shandong Grand Chemical for flexible PVC, PS, synthetic leather, paints, inks. C.I. 378. CAS 40470-68-6. 4,4'-Bis[(E)-2-(2-methoxyphenyl)vinyl]biphenyl. Use the specification table below; figures that are not printed on the source product page are marked TBC or omitted.
Specification
| C.I. No. | 378 |
|---|---|
| CAS | 40470-68-6 |
| Chemical name | 4,4'-Bis[(E)-2-(2-methoxyphenyl)vinyl]biphenyl |
| Appearance | Light yellow powder |
| Ionicity | Non-ionic |
| Shade | Brilliant white |
| Dosage (source) | PVC/PS white 0.02–0.05%; transparent 0.0002–0.002%. |
| Packing | 25 kg fiber drum |
| Synonyms on source page | Uvitex FP, CBS-127, Fluorescent Brightener 378 |
What this grade is for
- Flexible PVC, PS, synthetic leather, paints, inks and wallpaper plastisol.
- Application notes recommend FP-127 for PVC foam board and lower-temperature recycled streams.
Questions we actually get
What is FP-127 used for?
Optical Brightener FP-127 is listed for flexible PVC, PS, synthetic leather, paints, inks, wallpaper plastisol, PVC foam board.
Do you publish a price?
No. The live catalog does not list prices. Ask for a quote with your polymer or fiber, process temperature and monthly volume.
Can I get TDS / COA / SDS?
Yes — request the current document set by WhatsApp or email. This site does not host downloadable PDFs because the source site does not publish a document library.




