OB-PF
Light yellow crystal powder, not dissolve in water, can dissolve in a lot of organic solvents, excellent fastness to light transfer. Mainly used for whitening and brightening of PVC, and high-grade papers.
Key Features
Technical Specifications
| C.I. NO. | C.I. 135 |
| CAS Number | 12224-12-3 |
| Appearance | Light yellow crystal powder |
| Purity | ≥98% |
| Melting Point | 186-188°C |
| Molecular Formula | C18H14N2O2 |
Physical Data & Fastness Properties
| Shade/Tone | Red |
| Heat Resistance | Good |
| Light Fastness | Excellent |
| Weather Fastness | Good |
Applications
- PVC whitening and brightening
- High-grade papers
- Polyester fiber (as slurry)
Usage Instructions
Mainly used for whitening and brightening of PVC, and high-grade papers. Can be milled to the slurry for whitening of polyester fiber.
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