Octamethylcyclotetrasiloxane D4

Product Name: Octamethylcyclotetrasiloxane D4
CAS No.:556-67-2
Structural formula: [(CH3)2SiO]4
Molecular weigh: 296.62

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Product Introduction

Description:

CAS No.:556-67-2

Structural formula: [(CH3)2SiO]4

Molecular weigh: 296.62

Structural formula:

Octamethylcyclotetrasiloxane, also called D4, is an organosilicon compound with the formula [(CH3)2SiO]4. It is a colorless viscous liquid. It is a common cyclomethicone. It is widely used in cosmetics,such as breast implants.

Technical Index

Property	Specification
Boiling point, °C	175
Flash point, °C	56
Melting point,°C	17.5
Density at 20 °C, g/cm3	0.95
Viscosity(at 25°C,,mm2/s)	2.3
Purity, (D4) ,%	min.99.0

Other viscosity can be provided according to customer's requirements.

Application:

This product can be used in variety of applications, including:

Used in the production of silicone high polymer from ring-opening reaction under catalyzing of acid or alkali, which is a basic material of silicone oil and silicone rubber and is also can be directly used in rubber filler treatment or a raw material for cosmetics.

Packing:

190kg Iron Drum or 950kg IBC

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