Nature:
1, appearance: colorless transparent liquid
2, soluble: soluble in a variety of organic solvents
556-67-2 - Introduction
Octamethylcyclotetrasiloxane is an organosilicon compound. It is a colorless transparent liquid with low viscosity and low surface tension. Octamethylcyclotetrasiloxane has stable chemical properties, good thermal stability and electrical insulation.
In industry, octamethylcyclotetrasiloxane is widely used in lubricants, silicone rubber, softeners, coatings, sealants and electronic materials. With its low viscosity and low surface tension, it can play a role in reducing friction and preventing wear in lubricating oil. As a crosslinking agent in silicone rubber, it can improve the hardness and mechanical strength of rubber. Octamethylcyclotetrasiloxane can also be used to coat and seal electronic materials, providing good insulation properties and protection.
Purpose:
1, as a solvent: octamethylcyclotetrasiloxane is commonly used as a solvent in the organic synthesis process, which can dissolve many organic substances.
2, adhesive: in the adhesive and sealant to act as an adhesive role.
3. Lubricant: used as an additive in lubricating oil, grease and lubricant to improve the friction performance between friction surfaces.
4, surface treatment agent: used as rust prevention agent and surface lubricant in metal processing.
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Molecular Formula | C8H24O4Si4 |
Molar Mass | 296.62 |
Density | 0.95g/cm3 |
Schmelzpunkt | 17-18℃ |
Boling Point | 175°C at 760 mmHg |
Flash Point | 63.2°C |
Waasserléislechkeet | 56 µg/L |
Vapor Presure | 1.57mmHg at 25°C |
Vapor Density | 1 (vs air) |
Ausgesinn | colorless liquid |
Storage Condition | Store below +30°C. |
Stabilitéit | Moisture Sensitive |
Refractive Index | 1.423 |
MDL | MFCD00003269 |
Physical and Chemical Properties |
density: 0.956 flash point: 52 Melting Point: 17 - 18 Boiling Point: 175 - 176 |
Benotzt | Used as a raw material for silicone, also used in the electronics industry |
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