Octabenzone CAS 1843-05-6 function. It is mainly used as light stabilizer for synthetic materials such as polyethylene, polypropylene, polyvinyl chloride, polyurethane rubber, etc It is widely used in PE, PVC, PP, PS, PC, polycarbonate, plexiglass, polypropylene fiber and vinyl acetate. Moreover, it provides good light stability for dry phenolic and alkyd varnishes, polyurethane, acrylic, epoxy and other air drying products, as well as automotive refinishing paint, powder coating, rubber and other products. Dosage: 0.1-0.5%.
Believe Chemical is a leading China Octabenzone CAS 1843-05-6 manufacturer, supplier and exporter. UV absorber UV-531 is a high-efficiency anti-aging additive with excellent performance. It can absorb UV light of 240-340 nm. It has the characteristics of light color, non-toxic, good compatibility, small mobility and easy processing It has the greatest protective effect on the polymer and helps to reduce the color, delay yellowing and block the loss of physical properties It is widely used in PE, pcchemicalbookvc, PP, PS, PC, plexiglass, polypropylene fiber and vinyl acetate Moreover, it provides good light stability for dry phenolic and alkyd varnishes, polyurethane, acrylic, epoxy and other air drying products, as well as automotive refinishing paint, powder coating, polyurethane, rubber products, etc Dosage 0.1%-0.5%
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Product Name |
Octabenzone |
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|
Formula |
C21H26O3 |
Molecular Weight |
326.43 |
|
CAS NO. |
1843-05-6 |
Quantity |
500KG |
|
Items |
Specification |
Results |
|
Appearance |
light yellow Powder |
Conforms |
|
Assay |
≥98.0% |
99.0% |
|
Boiling point |
424.46°C |
424.46°C |
| Melting point |
47-49 °C |
48°C |
|
CONCLUSION |
The result conform with standard |
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Melting point 62-64 ° C (lit.)
Boiling point 150-160 ° c5mmhg (lit.)
Density 1,3g/cm3
Refractive index 1.5805 (estimate)
Flash point 216 ° C
Storage condition 2-8 ° C
Solubility 95%ethanol:soluble50mg/ml, clear colorless
Acidity coefficient (PKA) 7.56 ± 0.35 (predicted)
Morphology crystallinepower
Color white to light yellow
Water solubility <0.1g/100mlat20 º C
Merck14,6954
It is mainly used as light stabilizer for synthetic materials such as polyethylene, polypropylene, polyvinyl chloride, polyurethane rubber, etc.
It is widely used in PE, PVC, PP, PS, PC, polycarbonate, plexiglass, polypropylene fiber and vinyl acetate. Moreover, it provides good light stability for dry phenolic and alkyd varnishes, polyurethane, acrylic, epoxy and other air drying products, as well as automotive refinishing paint, powder coating, rubber and other products. Dosage: 0.1-0.5%.
