Octamethylcyclotetrasiloxane
- CAS No.556-67-2
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High-purity Octamethylcyclotetrasiloxane serving as a critical monomer for silicone polymer, rubber, and resin manufacturing with ≥99% GC purity.
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Product Overview
Octamethylcyclotetrasiloxane, frequently recognized in the industry as D4, represents a fundamental cyclic organosilicon compound essential for modern polymer chemistry. As a premier global manufacturer, we supply this critical intermediate with stringent quality controls to ensure optimal performance in downstream synthesis. This colorless, transparent liquid serves as the primary monomer for producing a vast array of silicone polymers, including high-performance rubbers, durable resins, and specialized greases.
Our production process emphasizes exceptional purity levels, typically exceeding 99.0% as verified by gas chromatography. This high degree of chemical consistency is vital for manufacturers who require predictable reaction kinetics and uniform material properties in their final silicone products. The compound features a stable cyclic structure that facilitates controlled ring-opening polymerization, making it an indispensable raw material for advanced organic synthesis within the siloxane sector.
Key Specifications
Quality assurance is paramount in chemical manufacturing. Each batch undergoes rigorous testing to confirm compliance with international factory standards. The physical and chemical properties are tightly monitored to ensure suitability for industrial applications. Below are the typical analytical parameters for our standard grade material:
| Items of Analysis | Standard of Analysis | Test Results |
|---|---|---|
| Appearance | Colorless transparent liquid without visible impurity | Conform |
| Refractive Index | 1.396-1.397 | 1.3967 |
| Content (Purity) | ≥99% | 99.78% |
| Chroma | ≤10 | 6 |
| Conclusion | Conforms to Factory Standard | |
Industrial Applications
The versatility of Octamethylcyclotetrasiloxane extends across multiple heavy industry sectors. Its primary function lies in serving as a building block for silicone fluids and elastomers. Key application areas include:
- Silicone Rubber Production: Used as a foundational monomer to create vulcanizable silicone rubbers known for thermal stability.
- Resin Manufacturing: Essential for synthesizing silicone resins used in protective coatings and electrical insulation.
- Industrial Greases: Acts as a precursor for high-performance lubricants that operate under extreme temperature conditions.
- Surface Treatment: Utilized in the formulation of agents that provide water repellency and surface modification.
Quality Assurance and Handling
We maintain a robust quality management system to guarantee product integrity from synthesis to delivery. Every shipment is accompanied by a Certificate of Analysis (COA) detailing batch-specific test results. Proper storage is critical to maintain chemical stability; the product should be kept in a cool, ventilated environment away from direct sunlight and moisture. Packaging options include standard 200 kg drums, with flexible customization available to meet specific logistical requirements. Our commitment to industrial purity and reliable manufacturing processes ensures that partners receive materials capable of meeting the most demanding production schedules.
