High-Purity Diphenyldichlorosilane IOTA 522: A High-Performance Silicone Intermediate-Iota

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News > Dynamic industry > High-Purity Diphenyldichlorosilane IOTA 522: A High-Performance Silicone Intermediate

High-Purity Diphenyldichlorosilane IOTA 522: A High-Performance Silicone Intermediate

[March 2025] – IOTA 522 (Diphenyldichlorosilane) is a high-purity essential intermediate for the synthesis of organosilicon compounds, widely used in the production of specialized silicone materials. With its excellent chemical stability and high purity, it plays a crucial role in industries such as electronics, pharmaceuticals, coatings, and high-performance polymers.

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Product Overview

IOTA 522 (CAS No. 80-10-4, Molecular Formula (C₆H₅)₂SiCl₂) is a colorless, transparent liquid with an irritating odor and possesses the following physicochemical properties:

Molecular Weight: 253.2
Flash Point: 157°C
Melting Point: -22°C
Relative Density: 1.22
Boiling Point: 305°C
Refractive Index (nD20): 1.5819

Technical Specifications

Appearance: Colorless, transparent liquid with an irritating odor
Purity: ≥99%
Polychlorinated Biphenyls (PCB) Content: ≤0.5 PPM

Applications

IOTA 522 serves as a key raw material for producing silicone resins, high-performance silicone rubber, and other specialized silicone products. Its outstanding chemical properties make it ideal for use in coatings, sealants, electronic encapsulation materials, and medical-grade silicone products.

Packaging and Storage

The product is packaged in 250 kg closed drums and must be stored and transported in accordance with Class 8 corrosive liquid regulations. It should be kept away from direct sunlight and moisture. Under proper storage conditions, it remains stable, and even after two years of storage, it can still be used upon passing a quality inspection.

With its exceptional purity and stability, IOTA 522 provides a reliable foundation for the development and application of silicone materials. IOTA Group is committed to supplying high-quality silicone products to drive industry innovation and advancement.

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