Optical Brightener KSN CAS 5242-49-9 C.I.368 for Polyester Nylon Fiber & Engineering Plastic
Product Details
| CAS No.: | 5242-49-9 | Purity: | >98% |
|---|---|---|---|
| EINECS No.: | 226-044-2 | Molecular Formula: | C29H20N2O2 |
| State: | Powder | Substrate: | Plastic |
| Additive Type: | Optical Brightener | Melting Point: | 270 - 360°C |
| Application: | Plastic, Textile | C.I. No.: | 368 |
| Type: | Benzoxazole Derivative | Appearance: | Yellow-green Powder |
| Shade: | Bright Blue Light | Fineness: | >200 Mesh |
| Volatiles: | ≤0.5% | Ash: | ≤0.5% |
| Hazardous Chemical: | No | Packing: | 25 Kg/bag |
Product Description
- Product Info：
- Benzoxazole-derivative KSN (CAS 5242-49-9, C.I. 368). Yellow-green powder, bright blue shade, high MP (270–360°C), ≥98.5%. Ultra-low dosage, intense whitening. Suitable for polymerization stage and all plastic processing.
- Properties:
- Extreme Heat Stable: Withstands very high processing temps; excellent for engineering plastics.
- Polymerization-Stage Use: Can be added during synthetic polymer production (not just compounding).
- Broad Compatibility: Works in all plastics + polyester/polyamide/acrylic fibers.
- Strong & Economical: Tiny amount gives brilliant blue-white effect; good weatherability.
- Applications:
- Fibers: Polyester, polyamide (nylon), acrylic, silk, wool.
- Plastics: Films, injection/extrusion molding, all resin types.
- Special: High-temp processing, masterbatch, chemical fiber production.
Product Highlights
PRODUCT HIGHLIGHTSProduct Info：Benzoxazole-derivative KSN (CAS 5242-49-9, C.I. 368). Yellow-green powder, bright blue shade, high MP (270–360°C), ≥98.5%. Ultra-low dosage, intense whitening. Suitable for polymerization stage and all plastic processing. Properties:Extreme Heat Stable: Withstands ...
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