Product Name

Octaphenylcyclotetrasiloxane

CAS No.

[546-56-5]

Structure

Molecular Formula

C₄₈H₄₀O₄Si₄

Physical and Chemical Properties

Molecular Weight: 793.18

Relative Density: 0.56

Flash Point: ＞200℃

Boiling Point: 322℃

Refractive Index n_D²⁰: 1.661

Product Standard

T/FSI 128-2023

Specifications

Item

Specification

Appearance

White powder crystal

Purity, %

≥99.0

Melting Point, ℃

﹥180

Features and Benefits

• Thermal stability.

• Chemical resistance.

• Low surface tension.

• Excellent compatibility.

• Improve flame and moisture resistance without affecting other factors.

Application Fields

• Used in synthesis of epoxy resins and polymers.

• Used as flame retardant and moisture-proof agent.

• Used as an anti-fouling coating to increase film flexibility and reduce bubbles in the

process.

• Raw materials for the synthesis of silicone products and pharmaceutical intermediates.

• Used in the production of phenyl silicone rubber and other silicon materials.

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 unopen, 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.