Molecular Formula | C14H42O7Si7 |
Molar Mass | 519.08 |
Density | 0.9703 |
Melting Point | -32°C(lit.) |
Boling Point | 151°C/20mmHg(lit.) |
Appearance | Morphological liquid |
Refractive Index | 1.4020 to 1.4060 |
Physical and Chemical Properties | Cycloheptasiloxane, tetradecamethyl- (107-50-6) |
Use | tetradecylcycloheptasiloxane (D7) is an important intermediate in the silicone industry. Its main uses include the preparation of silicone polymers such as methyl silicone oil, insulation and moisture resistance of radio parts, gas chromatography glass capillary column surface to the active agent. |
Tetramethylcycloheptasiloxane is an organic silicon compound. The following is an introduction to its properties, uses, manufacturing methods, and safety information:
Nature:
-Appearance: Colorless transparent liquid
-Solubility: soluble in common organic solvents (such as alcohols, ethers, hydrocarbons), insoluble in water
Usage:
It has good thermal stability, low-temperature performance, and chemical stability, and is widely used in multiple fields:
-Used as lubricants, sealants, and preservatives in the industrial field.
Method:
Tetramethylcycloheptasiloxane can be prepared by alkylation reaction of cyclic siloxane, with slightly different specific preparation methods.
Security information:
-Tetramethylcycloheptasiloxane is considered safe under normal usage conditions and has no significant toxicity at low concentrations.
-In high concentrations or high levels of exposure, it may cause irritation to the skin and eyes.
When using and handling this compound, please refer to the safety data sheets of the relevant materials and follow the correct operating procedures.