Octamethylcyclotetrasiloxane, with the CAS number 556-67-2, is a well - known organic silicon compound. Its chemical formula is C₈H₂₄O₄Si₄. It appears as a clear, colorless, and odorless liquid at room temperature. The molecular weight of octamethylcyclotetrasiloxane is approximately 296.61 g/mol. It has a boiling point of around 175 - 176 °C and a melting point of - 40 °C. The density of this product is about 0.955 g/cm³ at 25 °C. It is insoluble in water but soluble in many organic solvents such as toluene, hexane, and chloroform. This product is supplied directly from the factory at a low price, which provides cost - effective solutions for various industries.
Octamethylcyclotetrasiloxane has a wide range of applications across different industries. In the personal care industry, it is commonly used in the formulation of hair care products such as shampoos, conditioners, and hair sprays. It imparts a smooth and silky feel to the hair, reduces frizz, and improves manageability. In skin care products, it can act as an emollient, providing a protective barrier on the skin and enhancing the spreadability of creams and lotions.
In the industrial field, it serves as a key raw material in the production of silicone rubber and silicone resins. These materials are widely used in automotive, aerospace, and electronics industries due to their excellent heat resistance, electrical insulation, and mechanical properties. It is also used as a solvent and carrier in the printing ink and coating industries, helping to improve the flow and leveling properties of the products.
When using octamethylcyclotetrasiloxane in personal care products, the recommended concentration usually ranges from 1% - 10% depending on the specific application and the desired effect. It can be easily incorporated into the formulation by simply mixing it with other ingredients at an appropriate temperature. For example, in a hair conditioner formulation, it can be added during the emulsification process.
In industrial applications, when using it as a raw material for silicone rubber production, it needs to be polymerized with other silicone monomers under specific reaction conditions such as appropriate temperature, pressure, and the presence of a catalyst. The exact reaction parameters should be determined according to the production requirements and the quality of the final product. When used as a solvent in inks and coatings, it should be added gradually while stirring to ensure uniform dispersion.
**Case 1: Personal Care Product**
A well - known hair care brand introduced a new line of shampoos containing octamethylcyclotetrasiloxane. Before the launch, they conducted a market survey among 500 consumers. After using the shampoo for two weeks, 80% of the consumers reported that their hair felt smoother and more manageable. The brand saw a 20% increase in sales within the first month of the product launch, indicating the effectiveness of octamethylcyclotetrasiloxane in enhancing the product's performance.
**Case 2: Industrial Application**
An automotive parts manufacturer used octamethylcyclotetrasiloxane as a raw material for producing silicone gaskets. By optimizing the polymerization process, they were able to produce gaskets with excellent heat resistance and sealing performance. These gaskets were used in high - temperature engine compartments and significantly reduced the failure rate of the engines. As a result, the manufacturer received more orders from major automotive companies, which improved their market competitiveness.
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Este é o William, Diretor Executivo da Zhishang Chemical Co., Ltd.
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