Question 1

What is CGA-308 Octaphenylcyclotetrasiloxane used for?

Accepted Answer

CGA-308 (Octaphenylcyclotetrasiloxane (CAS 546-56-5)) is a silane coupling agent supplied by HOCON INTERNATIONAL. It is used in applications such as electronics & electrical, coatings, inks & chemicals. Refer to the TDS on this page for detailed application guidance.

Question 2

What are the key specifications of CGA-308?

Accepted Answer

CGA-308 Octaphenylcyclotetrasiloxane (CAS 546-56-5) (C48H40O4Si4) is manufactured by HOCON INTERNATIONAL to consistent quality standards. Full technical specifications — purity, appearance, density, refractive index, viscosity and storage conditions — are listed in the downloadable TDS on this product page.

Question 3

Does HOCON provide TDS and MSDS for CGA-308?

Accepted Answer

Yes. The TDS (Technical Data Sheet) and MSDS/SDS (Safety Data Sheet) for CGA-308 are available for download directly on this page in multiple languages (English, Chinese, Spanish, Japanese, Korean, Russian). Visit the Quality page for the full document library.

Question 4

What is the minimum order quantity (MOQ) for CGA-308?

Accepted Answer

MOQ for CGA-308 is negotiable. Standard packaging options include 200 kg drum, 1000 kg IBC; IBC totes and ISO tank containers are available for bulk orders. Sample quantities are available for qualification testing. Contact HOCON at sales@hoconsi.com or via the RFQ form for a quote.

Question 5

How should CGA-308 be stored and what is its shelf life?

Accepted Answer

CGA-308 should be stored in a cool, dry, well-ventilated area away from heat sources and incompatible materials, in tightly sealed original containers. Typical shelf life is 12–24 months from the date of manufacture when stored under recommended conditions. Refer to the MSDS/SDS for full storage and handling requirements.

Typ	CGA-308
CAS-Nr.	546-56-5
EINECS	208-904-9
Summenformel	C48H40O4Si4
Kategorie	Silan-Haftvermittler — Siloxan-Zwischenprodukte

Aussehen	Klare Flüssigkeit
Reinheit / Gehalt	≥ 99.5%
Molekulargewicht	793.18
Siedepunkt	334°C
Flammpunkt	200°C
Dichte	1.185 g/cm³
Brechungsindex	1.62
Empfohlene Dosierung	As required (silicone synthesis)

Marke	Sorte
Chemspec	UC580 (octaphenylcyclotetrasiloxane)
Gelest	octaphenylcyclotetrasiloxane

CGA-308 — Octaphenylcyclotetrasiloxane

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