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Benzophenone-3
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Synonymous：Spectra-Sorb UV 9.
Chemical Name：2-Hydroxy-4-methoxy benzophenone
Molecular Formula:C14H12O3
Molecular Weight: 228.24
CAS # 131-57-7
Specification:
| Appearance: | white or Light yellow crystalline powder |
| Loss on drying: | 0.2% max. |
| Assay: | 99.0% min. |
| Heavy metals: | 5 ppm max. |
| Melting point: | 62.0-65.0 ° C |
| Burnt Residue: | 0.1 max |
| UV Absorbance Max @288 nm: | 630 min. |
| UV Absorbance Max @325 nm: | 410 min. |
| Total Aerobic Count: | 100 CFU/g max |
| Total Leaf Mold: | 300 CFU/g max |
Applications
Ultraviolet Absorber Benzophenone-3 can absorb ultraviolet light in 290-400nm but hardly visible light and is particularly suitable for light-colored transparent products. It is so stable in light and heat that it doesn’t decompose at 200 .It can be used for paints and a variety of plastics, especially for PVC, Polyester, acrylic acid, resin, polystyrene and so on .Particularly, it is a good cosmetics additive.
Packing
25 kg net weight cardboard drum
Storage
Store in a well-ventilated, cool, dry area, out of direct sunlight. Keep containers tightly closed when not in use.
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