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Ultraviolet absorbent UV-531 |
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Alias: Ultraviolet absorbent BP-12 |
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Chemical name:2-Hydroxy-4-n-octyloxybenzophenone |
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Molecular formula:C21H26O3 |
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CAS No.:1843-05-6 |
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Structural formula:  |
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Chemical indexes: |
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Appearance |
light yellow needle-like crystalline powder |
Assay |
≥99% |
Melting point |
47-49°C |
Ash |
<0.1% |
Light transmittance |
450nm>90% 500nm>95% |
Solubility(25°C)
(g/100g solvent ) |
acetone: 74 benzene:72 methanol: 2 ethanol(95%):2.6
normal heptane :40 normal hexane :40.1 |
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Features and Uses: Ultraviolet absorbent UV-531 is one kinds of high efficient anti-aging auxiliary with good performance, it can adsorb the UV ray of 240-340 nanometer. The features include non-toxicity, good compatibility, low transfer and easy to process. It can reduce the color and physical retarding loss. It can be used in PE, PVC, PP, PS, PC, organic glass, polypropylene fiber, vinyl acetate, dry phenolic aldehyde & alkyd varnish, PU, acrylate, epoxy type, air drier, automobile fix paint, powder coating and rubber product. Dosage 0.1%-0.5%. |
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Packing and storage:Ultraviolet absorbent UV-531 is non-toxic, non-inflammable, non-explosive, non-corrosive matter with good storage stability. Packed in plastic bag lined carton, Net wt. 20kg/drum, or following your demand. |
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