Chemical Name:
2-Hydroxy-4-n-octoxybenzophenone
UV 531
CAS:
1843-05-6
Molecular formula:
C21H26O3
Molecular weight:
326.43
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Structural formula:
Applications:
UV ABSORBER 531 is a light stabilizers which can be widely used in polymers and other organic materials. It has a good light transmittance in the visible range, and can be added in packages contacting with food polymers.
Specifications:
| Item | Specification |
| Appearance | Light crystalline powder |
| Assay (%) | 99.00 min |
| Melting Point (℃) | 47.00-49.00 |
| Volatile(%) | 0.50 max |
| Ash (%) | 0.10 max |
| Transmittance (%) | 450nm: 90.00% min 500nm: 95.00% min |
Storage and transportation:
Keep container tightly closed. Avoid ingestion and inhalation.
25KG Carton or as customers’ requirements
