Product Overview

IOTA-606 Hydrogen-Containing Dual-End Capping Agent, chemically known as 1,1,3,3-Tetramethyldisiloxane (CAS No.: 3277-26-7), is a pivotal organosilicon intermediate with diverse applications across various industries. Its molecular formula is C₄H₁₄OSi₂, and it has a molecular weight of 134.32.

Key Characteristics

• Appearance: Colorless transparent liquid

• Density (25°C): 0.757 g/cm³

• Refractive Index (20°C): 1.3669–1.371

• Boiling Point: 70–71°C

• Flash Point: -20°C (Highly flammable; requires careful handling and storage)

• Purity: ≥98.0%

• Solubility: Soluble in aromatic hydrocarbons, petroleum hydrocarbons, and organic solvents; decomposes in water.

Applications

1. Silicone Surfactants
   IOTA-606 serves as a key raw material for synthesizing high-performance silicone surfactants, such as polyether-modified silicone oils. These surfactants are widely used in cosmetics, textiles, and coatings to enhance spreading, lubrication, and emulsification properties.

2. Liquid Silicone Rubber (LSR)
   As a crosslinking agent and chain terminator, it plays a critical role in producing liquid silicone rubber with superior mechanical strength, heat resistance, and elasticity.

3. Polymer Modification
   Through hydrosilylation reactions, IOTA-606 modifies plastics and resins, significantly improving their weather resistance, wear resistance, and processing performance. It is particularly valuable in enhancing engineering plastics.

4. Specialty Materials
   It is an ideal building block for dendrimers and hyperbranched polymers, which find applications in drug delivery systems, catalytic materials, and electronic materials.

Advantages and Prospects

IOTA-606 stands out for its high reactivity, excellent purity, and ease of use. With growing demand from downstream industries such as new energy, electronics, and medical devices, its market prospects remain robust. Future development will focus on achieving higher purity levels and more environmentally friendly production processes to meet evolving sustainability requirements.

Conclusion

As a versatile organosilicon intermediate, IOTA-606 Hydrogen-Containing Dual-End Capping Agent is indispensable in both current applications and future material innovations. Its role in advancing technology and supporting industrial upgrades underscores its significance in the silicone industry.