Grand Chemical
Optical Brightener PF
Optical Brightener PF is supplied by Shandong Grand Chemical for PVC, high-grade paper, polyester slurry after milling. C.I. 135. CAS 12224-12-3. 2,2'-(1,2-Ethenediyl)bis(5-methylbenzoxazole). Use the specification table below; figures that are not printed on the source product page are marked TBC or omitted.
PVChigh-grade paperpolyester slurry after milling
Specification
| C.I. No. | 135 |
|---|---|
| CAS | 12224-12-3 |
| Molecular formula | C18H14N2O2 |
| Melting point | 186–188 °C |
| Assay | ≥98% |
| Appearance | Light yellow crystal |
| Ionicity | Non-ionic |
| Shade | Red shade |
| Dosage (source) | Mill to slurry for polyester. Confirm paper/PVC dose when you inquire. |
| Packing | 25 kg drum with PE liner |
| Synonyms on source page | FBA 135 |
What this grade is for
- Powder grade used in PVC and high-grade papers; milled for polyester slurry.
Questions we actually get
What is PF used for?
Optical Brightener PF is listed for PVC, high-grade paper, polyester slurry after milling.
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.
