UV Absorber UV-327 (3864-99-1)
1. Basic Information
1. Chemical Name: UV Absorber UV-327
2. Chinese Aliases: UV Absorber UV-327; UV Absorber 327; 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole
3. English Name: UV Absorber 327
4. Molecular Formula: C20H24ClN3O
5. Molecular Weight: 357.88
6. CAS Number: 3864-99-1
7. EINECS Number: 223-383-8
8. Appearance: Pale yellow to light amber crystalline powder or granules, easily soluble in most organic solvents, insoluble in water, good thermal stability
2. Technical Specifications (Reference Values)
| Item | Standard |
|------|---------|
| Appearance | Pale yellow powder |
| Melting Point, °C | 154.0-158.0 |
| Loss on Heating, % ≤ | 0.50 |
| Ash Content, % ≤ | 0.10 |
| Transmittance, % |
| 460 nm ≥ | 92.0 |
| 500 nm ≥ | 95.0 |
(The above parameters are reference values; actual values should be based on the factory test report.)
3. Packaging Specifications
1. 20 kg cardboard drum lined with double-layer PE bags
2. Small packages or ton bags can be customized according to customer requirements