Octamethylcyclotetrasiloxane

Chemical Name:Octamethylcyclotetrasiloxane


CAS No.:556-67-2


Product Categories:Organic Chemistry


Molecular Formula:C8H24O4Si4


Formula Weight:296.6158


Appearance:Colorless transparent liquid


Packaging Method:25KG/200L Plastic Drum


Type Of Transportation:By Air/By Sea/By Train/By Express


Sample:Available


Octamethylcyclotetrasiloxane

Product Description Of

Octamethylcyclotetrasiloxane

Density: 0.948 g/cm³

Boiling Point: 175 °C

Melting Point: 17.5 °C

Refractive Index: 1.3960

Flash Point: 60 °C

Viscosity: Low viscosity, good fluidity

Solubility: Insoluble in water, soluble in ether, hydrocarbon and silicone solvents

Stability: Good thermal stability and chemical inertness

Volatility: Moderate volatility

Characteristic: Easy ring-opening polymerization under catalyst condition


Chemical Properties Of

Octamethylcyclotetrasiloxane
chemical nameOctamethylcyclotetrasiloxane
abbreviationIPTS
colourcolorless clear liquid
Purity (%)99%
Density (25℃)1.03-1.10
Refractive index (25℃)1.4100-1.4200



Safety Information Of

Octamethylcyclotetrasiloxane
dangerous markT+
Hazard Category code21/22-26-34-42
safety instructions23-26-28-36/37/39-45
Dangerous goods transportation numberUN 3390 6.1/PG 1
WGK Germany3
RTECS
VV6691000



Product Application Of

Octamethylcyclotetrasiloxane

Main monomer for polymerizing polydimethylsiloxane, silicone oil, silicone rubber and silicone resin.

Basic raw material for all kinds of modified silicone oil production.

Widely used in cosmetics and personal care products to improve smooth touch.

Used as smoothing agent and softener in textile finishing industry.

Applied as lubricant, release agent and insulating agent in electronic industry.

Used for preparing silicone defoamer, paint additive and plastic modifier.

Used in leather finishing agent to enhance surface smoothness and softness.

Applied in daily chemical, medicine and fine chemical industry as auxiliary raw material.

Used as carrier solvent and viscosity regulator in silicone formula system.

Important intermediate for producing high molecular weight silicone polymer materials.


Packaging Method Of

Octamethylcyclotetrasiloxane
  • Galvanized-iron-drum
  • Galvanized-iron-drum-2
  • Galvanized-iron-drum-3
  • Galvanized-iron-drum-4

Factory Show

  • Galvanized-iron-drum-4
  • 34
  • 3m-4
  • 2-4