Octamethylcy clotetrasiloxaneis colorless and insoluble in water, soluble in organic solvents such as stupid. The organic silicon polymer, which is synthesized by acid base catalysis, is the basic raw material of silicone oil and silicone rubber.

Details

Octamethylcy clotetrasiloxane   D4

Abbreviation:         -D4

Molecular formula:   （CH3）8Si4O4

CAS Number: 556-67-2

Physicochemical property:

Melting point:          17-18℃

Boiling point:           175-176℃

Flash point :             55℃

Relative density:      0.956g/cm³（25℃）

Technical index:

1, Appearance: Colorless and transparent liquid

2, Chroma / platinum - cobalt color: ≤10

3, Refractive index（20℃）:  1.3960~1.3970

4, Octamethylcy-clotetrasiloxane content: ≥99.0

Performance and Application:

This product is colorless and insoluble in water, soluble in organic solvents such as stupid. The organic silicon polymer, which is synthesized by acid base catalysis, is the basic raw material of silicone oil and silicone rubber.

Packaging and storage:

1. Packed in plastic drum, net weight 190kg / barrel or ton bucket packaging or standard container packaging;

2. The product storage in a cool and dry place, waterproof, fireproof, shall not be mixed with oxidizing agents, acids, alkalis, released.

3. Storage areas shall be provided with appropriate varieties and quantities of fire fighting equipment, leakage emergency handling equipment and suitable housing materials.

4. Transportation of dangerous goods. Light carry and light discharge, to prevent damage to packaging and containers.

Stability: specify the use and storage conditions (closed containers)

No match: Strong oxidizing agent, acid, alkali.

To avoid contact with the conditions: non compatible material, all kinds of heat source and fire, moisture and water.

Decomposition products: may produce carbon oxides, carbon hydride, silicon oxide, combustion smoke or thermal decomposition and combustion in fire.

Polymerization hazard: may occur.