Provided high-quality chemical services for the global coatings, plastics, textiles, construction, agriculture and other fields.

Octamethylcyclotetrasiloxane RJ-D4

CAS No.:556-67-2

Structural formula: [(CH3)2SiO]4

Molecular weigh: 296.62

Structural formula:

Technical Index

Boiling point, °C 

Flash point, °C56
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.

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.