The product, Factory Supply 2-hydroxy-4-methoxybenzophenone-5-sodium sulfonate with CAS number 6628 - 37 - 1, is a specialty chemical. It is a sodium - salt derivative of a benzophenone compound. The chemical formula of 2 - hydroxy - 4 - methoxybenzophenone - 5 - sodium sulfonate is C₁₄H₁₁NaO₆S. Physically, it usually appears as a white to off - white powder.
This product is known for its high purity and low price, making it an attractive option for various industrial applications. The melting point and solubility properties of this compound are key parameters. It has a relatively stable melting point, and it is soluble in certain polar solvents, which provides convenience for its use in different formulations.
2 - hydroxy - 4 - methoxybenzophenone - 5 - sodium sulfonate has a wide range of applications. One of the main uses is in the field of cosmetics. It serves as a UV absorber, helping to protect the skin from harmful ultraviolet rays. By incorporating this compound into sunscreen lotions, creams, and other skincare products, manufacturers can enhance the product's ability to prevent sunburn, skin aging, and reduce the risk of skin cancer caused by UV radiation.
In addition to cosmetics, it is also used in the plastics and rubber industries. In plastics, it can act as a stabilizer, protecting the plastic from degradation due to UV exposure. This helps to maintain the mechanical properties and appearance of plastic products over time. In the rubber industry, it can improve the weather resistance of rubber products, making them more durable in outdoor environments.
When using 2 - hydroxy - 4 - methoxybenzophenone - 5 - sodium sulfonate in cosmetics, it should be added to the formulation during the manufacturing process. The appropriate dosage depends on the specific type of cosmetic product and the desired level of UV protection. Generally, it can be added in the range of 0.5% - 5% of the total formulation. The product should be thoroughly mixed with other ingredients to ensure uniform distribution.
In the plastics and rubber industries, it can be added during the compounding process. For plastics, it can be mixed with the polymer resin along with other additives. In rubber, it can be incorporated into the rubber compound on a two - roll mill or an internal mixer. The dosage in these industries also needs to be adjusted according to the specific requirements of the products, usually in the range of 1% - 3%.
Case 1: Cosmetics Company
A well - known cosmetics company was facing a problem with their sunscreen product. Their existing formula did not provide sufficient UV protection, and customers were complaining about sunburns after using the product. The company decided to replace the old UV absorber with 2 - hydroxy - 4 - methoxybenzophenone - 5 - sodium sulfonate. They added 3% of the product to their new formulation. After conducting extensive testing, they found that the new sunscreen provided much better UV protection, with an increased Sun Protection Factor (SPF). Customer satisfaction also significantly improved, and the sales of the new product increased by 20% within six months.
Case 2: Plastic Manufacturing Company
A plastic manufacturing company produced outdoor plastic furniture. The furniture was prone to yellowing and brittleness after long - term exposure to sunlight. They decided to add 2% of 2 - hydroxy - 4 - methoxybenzophenone - 5 - sodium sulfonate to their plastic resin. The results were remarkable. The new plastic furniture showed much less discoloration and maintained its mechanical strength even after several years of outdoor use. This not only improved the quality of their products but also enhanced their brand reputation in the market.
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