Colorless transparent liquid. It is miscible with organic solvents and insoluble in water.
TECHNICAL DATA SHEET | ||||
Product Name: | OCTAMETHYLCYCLOTETRASILOXANE (D4) | |||
CAS No.: | 556-67-2 | |||
Structural formula: | (CH3)8Si4O4 | |||
Structural formula: | ||||
Characteristic: | Colorless transparent liquid. It is miscible with organic | |||
solvents and insoluble in water. | ||||
ITEM | SPECIFICATION | |||
Appearance: | Colorless transparent liquid | |||
Content of Octamethyl cyclotetrasiloxane (%): | ≥99% | |||
Refractive index Nd20: | 1.3960~1.3970 | |||
Relative density: | 25°C | |||
Freezing Point: | 17~18℃ | |||
Flash Point: | 55℃ | |||
Boiling Point: | 175~176℃ | |||
Pakaging: Packed in 200L iron drum or plastic drum (N.W.190kg) or packed in International Bulk Container, net weight 950kg/IBC or ISO TANK. | ||||
Reaction properties It is colorless, inflammable, and can not dissolve in water, but dissolve in organic solvents such as benzene, etc. It can be used to synthesize organic silicon polymer by acid or alkali catalysis to manufacture silicone oil, silicone rubber, etc. | ||||
Storage conditions: Store in a cool, dry, well-ventilated area and keep away from oxidant, acid and alkali. The storage area should be equipped with the corresponding species and quantity of fire equipment and leakage emergency equipment. | ||||
Applications: It is an important intermediate in the silicon industry. It is mainly used for ring-opening polymerization with silicone oil, silicone rubber, and silicone resins with different degrees of polymerization. Products that are further processed into polymer products are widely used in various fields such as polymer products are widely used in various fields such as construction, electronics, textiles, automobiles, personal care products, food and mechanical processing, and also have a small number of direct applications. |
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