1,1,1,5,5,5-六乙基-3-甲基三硅氧烷

1,1,1,5,5,5-六乙基-3-甲基三硅氧烷 - Names and Identifiers

Name	1,1,1,5,5,5-Hexaethyl-3-Methyltrisiloxane
Synonyms	1,1,1,5,5,5-hexaethyl-3-methyltrisiloxane 1,1,1,5,5,5-Hexaethyl-3-Methyltrisiloxane Trisiloxane, 1,1,1,5,5,5-hexaethyl-3-methyl-
CAS	13716-38-6

1,1,1,5,5,5-六乙基-3-甲基三硅氧烷 - Physico-chemical Properties

Molecular Formula	C13H34O2Si3
Molar Mass	306.66
Density	0.8696
Boling Point	81-82°C / 1
Specific Gravity	0.8696
Sensitive	3: reacts with aqueous base
Refractive Index	1.427

1,1,1,5,5,5-六乙基-3-甲基三硅氧烷 - Introduction

1,1,1,5, 5,5-hexaethyl-3-methyltrisiloxane, also known as HMDS(Hexamethyldisiloxane), is an organosilicon compound. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: colorless transparent liquid
-Molecular formula: C12H30O2Si2
-Molecular weight: 246.52g/mol
-Boiling Point: 145-146°C
-Density: 0.75g/cm³

Use:
-As a reagent for organic synthesis: HMDS can be used as a catalyst and reagent to participate in organic synthesis reactions, such as silanization reactions, bromination reactions, etc.
-As a surfactant: HMDS can be used to improve the performance of coatings, inks and cosmetics, and increase their wettability and adhesion.
-As an optical photonics material: HMDS has certain applications in the field of photonics, and can be used to prepare optical films, polymer photonic crystals and other materials.

Preparation Method:
The preparation method of HMDS is relatively simple and can be obtained by silanization reaction. One common method is by the addition reaction of methylchlorosilane and ethylchlorosilane to produce HMDS and hydrochloric acid.

Safety Information:
- HMDS is a low-toxic compound, but care should be taken to avoid excessive exposure and inhalation.
-Wear protective gloves, goggles and protective clothing when using or handling HMDS.
-During storage and operation, avoid contact with oxidants, acids, alkalis and other substances to prevent dangerous reactions.
-In case of accidental contact with skin or eyes, rinse immediately with plenty of water and seek medical help.

Last Update：2024-04-09 19:05:46