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Octaphenylcyclotetrasiloxane

Octaphenylcyclotetrasiloxane is an important organosilicon intermediate, which is widely used in the synthesis of pharmaceutical intermediates, phenyl silicone oil, phenyl silicone resin, phenyl silicone rubber, etc. It can also be used as a modification intermediate for polyurethane resin, epoxy resin and acrylic resin, endowing new products with properties such as resistance to high and low temperatures, radiation and aging. Its synthesis usually uses diphenyldichlorosilane as the starting material and is obtained through processes such as hydrolysis, drying and cracking. In addition, octaphenylcyclotetrasiloxane can also be blended with polycarbonate as a flame retardant to prepare high - efficiency halogen - free flame - retardant materials.

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Physical and chemical properties

In terms of physicochemical properties, MY-AKT appears as white crystalline powder with a high purity of ≥99.0%. It has a melting point between 203-205°C, a boiling point reaching 334°C, and a flash point of 200°C. These characteristics ensure stable performance under high-temperature conditions, demonstrating excellent thermal stability. Additionally, while insoluble in water, it dissolves in various common chemical solvents, enhancing its application flexibility.

Application

Pharmaceutical intermediates: can be used to synthesize pharmaceutical intermediates and other polymer materials.
Silicone oil and silicone: as the raw material of phenyl silicone oil, phenyl silicone resin and phenyl silicone rubber.
Modified intermediate: used for polyurethane resin, epoxy resin, acrylic resin and so on, to give new products high and low temperature resistance, radiation resistance and aging resistance.
Coordination chemistry: can be used as a ligand to form complexes with metal ions, which are used in catalysis and material synthesis.
Materials science: used to prepare polymer materials or liquid crystal materials.
These properties make octaphenylcyclotetrasiloxane have important application value in many fields.

Packaging and Storage

- Store in a cool, well-ventilated warehouse.

- Warehouse temperature should not exceed 37°C.

- Keep separate from oxidizers and food chemicals; avoid mixed storage (see Section 10 for prohibited mixtures).

- Keep containers tightly sealed.

- Keep away from ignition sources and heat.

- The warehouse must be equipped with lightning protection devices.

- The ventilation system should have grounding devices to eliminate static electricity.

- Use explosion-proof lighting and ventilation equipment.

- Avoid using equipment or tools that may generate sparks.

- The storage area should be equipped with leak emergency response equipment and appropriate containment materials.

For more information on Safety Data Sheets (MSDS), Product Safety Data Sheets, and Product Inspection Reports, please contact us.

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