Question 1

What is CGA-312 Pentamethyl-pentaphenyl-cyclopentasiloxane used for?

Accepted Answer

CGA-312 (Pentamethyl-pentaphenyl-cyclopentasiloxane (CAS 34239-75-3)) 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-312?

Accepted Answer

CGA-312 Pentamethyl-pentaphenyl-cyclopentasiloxane (CAS 34239-75-3) (C35H40O5Si5) 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-312?

Accepted Answer

Yes. The TDS (Technical Data Sheet) and MSDS/SDS (Safety Data Sheet) for CGA-312 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-312?

Accepted Answer

MOQ for CGA-312 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-312 be stored and what is its shelf life?

Accepted Answer

CGA-312 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.

Aussehen	Klare Flüssigkeit
Reinheit / Gehalt	≥ 98%
Molekulargewicht	681.13
Siedepunkt	160-245°C (1 mmHg)
Flammpunkt	>200°C
Dichte	1.125 g/cm³ (20°C)
Brechungsindex	1.545
Empfohlene Dosierung	As required (silicone synthesis)

CGA-312 — Pentamethyl-pentaphenyl-cyclopentasiloxane

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Typ	CGA-312
CAS-Nr.	34239-75-3
Summenformel	C35H40O5Si5
Kategorie	Silan-Haftvermittler — Siloxan-Zwischenprodukte