Product Name

OCTAPHENYLSILSESQUIOXANE

CAS No.

[5256-79-1]

Structure

Molecular Formula

C₄₈H₄₀O₁₂Si₈

Physical and Chemical Properties

Molecular Weight: 1033.52

Bulk Density: 0.45

Specifications

Item

Specification

Appearance

White powder

Volatile, %

≤0.5

Melting Point, ℃

≥440

Solvent solubility

Slightly soluble in tetrahydrofuran and chloroform

Solvent insolubility

Benzene, acetone and acetonitrile

Features and Benefits

• Excellent hydrophobicity.

• High heat resistance.

• Good flame retardancy.

• processing flowability.

Application Fields

• Used as interlayer dielectric material for integrated circuits.

• Widely used in non halogen flame retardant polymer composites.

• Improve printability and modulus of high temperature thermoplastics.

• Used in cosmetics to improve skin gloss.

• Used in aerospace to improve the mechanical strength, heat stability and softening point.

Handling and Safety

• Wear eye protection and protective gloves as required while handling the product.

• Use the product in a well ventilated area.

• Please consult our MSDS.

Usable Life and Storage

• When stored in its original container below  40°C and unopened, the shelf life is 2 years.

It can still be used after re-inspection.

• Store in a cool and dry place out of direct sunlight.

• Keep out of the reach of children.

Packaging information

Available in 25KGS drum or 100KGS drum.