Bis(2-propylheptyl) phthalate, with the CAS number 53306 - 54 - 0, is a chemical compound often used in various industrial applications. It belongs to the phthalate ester family. This product is factory - supplied at a good price, which is attractive to many businesses. Its chemical formula is C₂₈H₄₆O₄, and it has a molecular weight of approximately 446.67 g/mol. The appearance of this chemical is typically a clear, colorless to pale - yellow liquid. It has a low volatility, which makes it suitable for long - term applications. The density of bis(2 - propylheptyl) phthalate is around 0.96 g/cm³ at 20 °C. It is insoluble in water but soluble in many organic solvents such as ethanol, acetone, and toluene.
1. Plasticizer: One of the primary uses of bis(2 - propylheptyl) phthalate is as a plasticizer. It can be added to polyvinyl chloride (PVC) and other plastics to increase their flexibility, durability, and workability. By incorporating this phthalate, plastics can be made into various forms, such as cables, flooring, and automotive interiors.
2. Rubber Industry: In the rubber industry, it can act as a processing aid and softener. It helps to improve the processing characteristics of rubber compounds, making them easier to mold and shape. This results in rubber products with better mechanical properties, such as improved elasticity and tear resistance.
3. Adhesives and Sealants: The compound can also be used in adhesives and sealants. It enhances the adhesion and flexibility of these products, making them suitable for a wide range of applications, including construction, automotive, and consumer goods.
1. Dosage: When using bis(2 - propylheptyl) phthalate as a plasticizer in PVC, the dosage usually ranges from 20% to 50% by weight, depending on the desired flexibility and other properties of the final product. For rubber applications, the dosage may be lower, typically around 5% - 15%.
2. Mixing: It should be thoroughly mixed with the base material (such as PVC resin or rubber compound) during the manufacturing process. This can be achieved through mechanical mixing methods, such as using a high - speed mixer or an extruder.
3. Safety Precautions: When handling this chemical, appropriate personal protective equipment (PPE) should be worn, including gloves, goggles, and a lab coat. It should be stored in a cool, dry place, away from heat and open flames. Avoid inhalation, ingestion, and contact with skin and eyes. In case of contact, immediately rinse with plenty of water and seek medical attention if necessary.
1. PVC Flooring Manufacturer: A PVC flooring manufacturer incorporated bis(2 - propylheptyl) phthalate into their production process. They used a dosage of 30% by weight in the PVC resin. The result was a significant improvement in the flexibility and durability of the flooring. The new flooring had better resistance to wear and tear, and it could be easily installed in various environments, including commercial buildings and residential homes. The product also met the relevant industry standards for chemical emissions, which was a major advantage in the market.
2. Automotive Rubber Parts Supplier: An automotive rubber parts supplier added bis(2 - propylheptyl) phthalate to their rubber compounds at a dosage of 10%. The rubber parts, such as gaskets and seals, showed improved elasticity and sealing performance. They were able to withstand high - temperature and high - pressure conditions in the automotive engines, which reduced the risk of leakage and improved the overall reliability of the vehicles.
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