Octabenzone CAS# 1843-05-6

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• Chemical Name:  Octabenzone
• CAS No.:     1843-05-6
• Molecular Fomula: ：C21H26O3
• Molecular weight：326.43
• Appearance:white powder
• Sample：Available

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Description of BENZOPHENONE

Octabenzone (Spectra-Sorb UV 531, MPI Milestab 81) is a UV absorber/screener. It is used to protect polymers (e.g., polyethylene, polypropylene, polyvinylchloride) against damage by UV light.

Basic Info of BENZOPHENONE

Basic Info
Numbering system
Properties
Safety Info
Basic Info

Numbering system

Properties

Safety Info

What is Octabenzone?

• With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Octabenzone   which has developed particularly rapidly in recent years. Do you know about Octabenzone?
• The official answer：Light yellow crystal or white powder. Soluble in benzene, hexane, acetone, slightly soluble in ethanol, slightly soluble in dichloroethane Appearance: light yellow needle-like crystalline powder Content: ≥99% Melting point: 47-49°C Ash: <0.1% Transmittance: 450nm>90% 500nm>95% Solubility (25°C) (100g solvent): acetone:74 benzene:72 methanol:2 ethanol (95%):2.6 n-heptane: 40 n-hexane:40.1 methyl ethyl ketone > 60 ethyl acetate > 50 DOP > 20.

What’s the application of Octabenzone?

• UV absorber UV-531 is a high-efficiency anti-aging additive with excellent performance, which can absorb UV light from 240-340nm. It is light in color, non-toxic, has good compatibility, low migration, and is easy to process. It provides maximum protection to polymers and helps to reduce color, delay yellowing, and retard physical property loss. It is widely used in PE, PVC, PP, PS, PC, Plexiglas, polypropylene fiber, and ethylene-vinyl acetate. It also provides a good light stabilization effect for dry phenolic and alkyd varnishes, polyurethane, acrylic, epoxy, and other air-drying products and automotive refinishing paints, powder coatings, polyurethane, rubber products, etc. Dosage 0.1%-0.5%. It is mainly used as a light stabilizer for synthetic materials such as polyethylene, polypropylene, PVC, PP, PS, PC, polycarbonate, organic glass, polypropylene fiber, and vinyl acetate. And for dry phenolic and alkyd varnish type, polyurethane type, acrylic type, epoxy type, and other air-drying products and automotive refinishing paint, powder coating, rubber, and other products, to provide them with good light stabilization effect. Dosage 0.1-0.5%.

Conclusion

Sincere to the customer and in good faith of quality is our forever followed motto. It’s the basement to be a human and do business. We take all responsibility for our products and service sincerely. We are a company integrating R&D, production, and sales. The design, research, and development of pharmaceutical intermediates including more than 330 kinds of pharmaceutical intermediates such as Anti-infectives, Cardiovascular and Cerebrovascular Systems, Digestive System, Santi-tumor, Nervous System, Geriatric Drugs, and Gynecological Drugs. At the same time, we have more than 4,000 factories in strategic cooperation with nearly 50,000 chemical products, so we can provide you with a one-stop purchasing service, which greatly saves customers’ procurement costs and time.

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