Octaphenylcyclotetrasiloxane CAS 546-56-5

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Octaphenylcyclotetrasiloxane CAS 546-56-5

Products Name


Octaphenylcyclotetrasiloxane

Products Description

CAS No.: 546-56-5
EINECS No.: 208-904-9
Purity: ≥99%, ≥99%
Model Number: FS546-56-5
Form: Powder Form
CAS: 546-56-5
Application: Pharmaceutical Intermediates
Molecular Weight: 793.18 Inquiry Now

Octaphenylcyclotetrasiloxane Typical Properties

Product Name Octaphenylcyclotetrasiloxane
CAS No. 546-56-5
Appearance White powdery crystals
Assay ≥99%
Capacity 1000mt/year
Min.Packing 1gram
Application Pharmaceutical intermediate
Standard Enterprise Export
Brand Fousi
More Information Molecular Formula: C48H40O4Si4
Molecular Weight: 793.18
CAS Registry Number: 546-56-5
EINECS: 208-904-9
Melting point: 196-200 ºC
Boiling point: 334 ºC
Flash point: 200 ºC
Water solubility: insoluble

Octaphenylcyclotetrasiloxane Usage

Used for synthesis of pharmaceutical intermediates or other polymers.

Octaphenylcyclotetrasiloxane Packaging and Shipping

Packaging Details

Aluminum foil bag for within 10kg

Fiber drum for 10kg and more

According to customer’s request

Octaphenylcyclotetrasiloxane Storage

Cool Dried Storage

Production method of octaphenyl cyclotetrasiloxane

Base-catalyzed hydrolysis of dialkoxydiphenylsilane or dialkoxytolylsilane in a solvent or solvent mixture, in which solvent or solvent mixture, dialkoxydiphenylsilane or dialkoxytoluene Silane is soluble, but in the solvent or solvent mixture, octaphenylcyclotetrasiloxane or tetramethyltetraphenylcyclotetrasiloxane is slightly soluble or insoluble, providing a high-yield Method for preparing octaphenylcyclotetrasiloxane or s-tetramethyltetraphenylcyclotetrasiloxane at a high rate.