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UV-Absorbent 531
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UV-Absorbent 531
Chemical Name: 2-Hydroxy-4-n-octoxybenzophenone
Molecular formula | C21H26O3 | |
| Molecular Weight | 326 | |
| CAS# | 1843-05-6 |
Introduction: ABSORBENT 531 can absorb the ultraviolet ray of 240-340mm wavelength effectively. When used with antioxidant, it has cooperative effect.
Physical Properties:
Appearance: | PALE YELLOW Powder | Assay: | ≥99% |
Melting Range: | 47-49 | Ash: | ≤0.1% |
Light Transmittance: | 460nm≥97% 500nm≥98% | LOSS ON DRYING: | ≤0.5% |
Applications: UV-absorber for plasticized and rigid PVC, polyester, PS, Acrylate resins, vinyl ester based coatings, PU based coatings, alkyed resin coatings, improves the weather resistance of the coating.
Package: The package is the paperboard drum lined with plastic bag. The net eight is 10kg / drum (20kg / drum).
Storage: When stored, please avoid the rain, moisture and sunshine.
Period of Validity: About 2 years
UV-Absorbent 531
