Liquid Industrial Grade Chemicals Octamethylcyclotetrasiloxane / D4 CAS 556-67-2

Manufacturer Supply Octamethylcyclotetrasiloxane/ D4 CAS 556-67-2

Description:
Octamethylcyclotetrasiloxane appears as a colorless liquid with a mild, characteristic odor. It has a molecular formula of C8H24O4Si4 and a molar mass of 296.64 g/mol. The compound is relatively volatile and has a low viscosity.

Specification:
The specifications of Octamethylcyclotetrasiloxane can vary depending on the manufacturer or specific application. However, here are some general properties:

• Purity: Octamethylcyclotetrasiloxane is typically available in high purity grades, often exceeding 99% purity.
• Boiling Point: The compound has a boiling point around 175-180°C.
• Flash Point: Octamethylcyclotetrasiloxane has a flash point above 93°C.
• Density: The density of D4 is approximately 0.963 g/cm³ at 25°C.
• Solubility: It is practically insoluble in water but soluble in a variety of organic solvents such as alcohols, ethers, and hydrocarbons.

Application:
Octamethylcyclotetrasiloxane finds applications in various industries and products, including:

1. Personal Care Products: It is used as a volatile carrier or solvent in cosmetics, skincare products, hair care products, and antiperspirants. It helps deliver active ingredients and provides a smooth, non-greasy feel.

2. Silicone Polymers and Elastomers: D4 is a building block for the production of silicone polymers and elastomers. It acts as a monomer in the synthesis of high-performance silicones, such as silicone fluids, resins, gels, and sealants.

3. Industrial Applications: Octamethylcyclotetrasiloxane is utilized in various industrial processes, including mold release agents, lubricants, defoamers, and surface treatments.

4. Chemical: It can be used as an excipient or solvent in Chemical formulations, particularly in topical creams and ointments.

Feature:
The key features of Octamethylcyclotetrasiloxane include:

1. Volatility: D4 has a relatively low boiling point, making it easily vaporizable. This property is advantageous in applications where rapid evaporation or drying is required.

2. Thermal Stability: The compound exhibits good thermal stability, allowing it to withstand high temperatures without significant decomposition or degradation.

3. Low Surface Tension: Octamethylcyclotetrasiloxane has a low surface tension, which enables it to spread easily on surfaces and enhance wetting properties.

4. Compatibility: It is compatible with a wide range of organic materials, including other silicones, polymers, and solvents, making it versatile for formulation and blending.

5. Inertness: D4 is chemically inert, which ensures its compatibility with various ingredients and reduces the likelihood of adverse reactions.