Question 1

What is PSO-114 1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane used for?

Accepted Answer

PSO-114 (1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane (CAS 3390-61-2)) is a silicone fluid supplied by HOCON INTERNATIONAL. It is used in applications such as coatings, inks & chemicals. Refer to the TDS on this page for detailed application guidance.

Question 2

What are the key specifications of PSO-114?

Accepted Answer

PSO-114 1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane (CAS 3390-61-2) (C33H34O2Si3) 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 PSO-114?

Accepted Answer

Yes. The TDS (Technical Data Sheet) and MSDS/SDS (Safety Data Sheet) for PSO-114 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 PSO-114?

Accepted Answer

MOQ for PSO-114 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 PSO-114 be stored and what is its shelf life?

Accepted Answer

PSO-114 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.

Grade	PSO-114
CAS No.	3390-61-2
EINECS	222-222-9
Molecular Formula	C33H34O2Si3
Category	Silicone Fluids — Phenyl silicone fluids

Appearance	Colorless to light-yellow liquid
Molecular Weight	546.89
Boiling Point	245°C (0.5 mmHg)
Flash Point	214°F
Density	1.09 g/mL (25°C)
Refractive Index	1.58 (20°C)
Viscosity	grade-dependent

Brand	Grade
Chemspec	UC750 (pentaphenyl pentamethyl cyclo)
Gelest	1,1,3,5,5-pentaphenyl-1,3,5-trimethyltrisiloxane

PSO-114 — 1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane

Product Overview

Product Identity

Typical Properties

Typical Applications

Packaging

Cross-reference (equivalent grades)

Frequently Asked Questions

Request a Quote