Heptasiloxane, hexadecamethyl-

Heptasiloxane, hexadecamethyl- - Names and Identifiers

Name	Hexadecamethylheptasiloxane
Synonyms	Hepta(dimethylsiloxane) Hexadecamethylheptasiloxane hexadecamethylheptasiloxane Heptasiloxane, hexadecamethyl- Hexadecamethyltridecaneheptasiloxane hexadecamethylheptasiloxane Basic information 1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,13-Hexadecamethylheptasiloxane Heptasiloxane, 1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,13-hexadecamethyl- bis[[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethylsilyl]oxy]-dimethylsilane bis[[[dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-silyl]oxy]-dimethyl-silane
CAS	541-01-5
EINECS	208-763-3
InChI	InChI=1/C16H48O6Si7/c1-23(2,3)17-25(7,8)19-27(11,12)21-29(15,16)22-28(13,14)20-26(9,10)18-24(4,5)6/h1-16H3

Heptasiloxane, hexadecamethyl- - Physico-chemical Properties

Molecular Formula	C16H48O6Si7
Molar Mass	533.15
Density	0.9012
Melting Point	-78°C
Boling Point	286.79°C
Flash Point	168.9°C
Vapor Presure	0.0116mmHg at 25°C
Appearance	liquid
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C
Refractive Index	1.3965

Heptasiloxane, hexadecamethyl- - Introduction

Hexadecamethylheptasiloxane, also known as C16-17 alkylheptasiloxane, is a commonly used siloxane compound. The following is a description of its nature, use, preparation and safety information:

Nature:
Hexadecamethylheptasiloxane is a colorless to light yellow viscous liquid. It has low surface tension, good lubricity and high temperature resistance. In addition, it also has good chemical stability and oxidation resistance.

Use:
Hexadecamethylheptasiloxane are commonly used in cosmetics, personal care products, lubricants and lubricants. It can be used as additives such as emollients, emulsifiers, stabilizers and anti-foaming agents. In cosmetics, it can make the product have a silky texture and improve the softness and smoothness of the skin.

Preparation Method:
The production method of the Hexadecamethylheptasiloxane is generally obtained by reacting a silane with an alkyl compound. A common method is to react an alkyl vinyl cyclosiloxane with a hexadecyl compound at an elevated temperature.

Safety Information:
Hexadecamethylheptasiloxane are generally considered safe. However, their safety data sheets should be carefully read and followed before use to ensure proper use and avoid discomfort or skin irritation. When storing and handling, please pay attention to avoid contact with oxidants and flammable substances, and ensure good ventilation conditions.

Last Update：2024-04-09 20:52:54