Skip to Content
Merck
All Photos(1)

Key Documents

378372

Sigma-Aldrich

Silicone oil

viscosity 350 cSt (25 °C)

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
[-Si(CH3)2O-]n
CAS Number:
MDL number:
UNSPSC Code:
12162002
NACRES:
NA.23

vapor density

>1 (vs air)

Quality Level

vapor pressure

<5 mmHg ( 25 °C)
5 mmHg ( 20 °C)

form

viscous liquid

refractive index

n20/D 1.403 (lit.)

viscosity

350 cSt(25 °C)

bp

>140 °C/0.002 mmHg (lit.)

density

0.968 g/mL at 25 °C

Looking for similar products? Visit Product Comparison Guide

General description

Silicone oil is a liquid based siloxane that is part of the methyl silicone fluid system. It has a viscosity of 350 cSt with a refractive index of ~ 1.402 and a dielectric strength of ~ 14 kV/mm. It′s surface tension tends to increase with an increase in the viscosity.

Application

Silicone oil can be used for a variety of applications such as: heat transferring medium in chemical and petrochemical industries, a dielectric coolant, a lubricant and antiflatulent agent, protective coatings for building materials, a cosmetic additive.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

214.0 °F - closed cup

Flash Point(C)

101.1 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Silicones
Moretto H, et al.
Ullmann's Encyclopedia of Industrial Chemistry (2000)
Recent developments and applications of protective silicone coatings: A review of PDMS functional materials
Eduok U, et al.
Progress in Organic Coatings, 111, 124-163 (2017)
Mechanism of Stabilization of Silicone Oil- Water Emulsions Using Hybrid Siloxane Polymers
Mehta SC and Somasundaran P
Langmuir, 24(9), 4558-4563 (2008)
Zhentian Shi et al.
Journal of the Air & Waste Management Association (1995), 63(1), 80-86 (2013-03-02)
The use of surfactants during soil washing process can create massive foam, which has a negative impact on the effective use of equipment. A series of tests was conducted to evaluate the defoaming performance of three defoamers and to investigate
Benjamin R Schudel et al.
Lab on a chip, 13(5), 811-817 (2013-01-31)
RNA interference (RNAi) is a powerful tool for functional genomics with the capacity to comprehensively analyze host-pathogen interactions. High-throughput RNAi screening is used to systematically perturb cellular pathways and discover therapeutic targets, but the method can be tedious and requires

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service