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Sigma-Aldrich

Silicone oil

viscosity 1,000 cSt (25 °C)

Synonym(s):

Dimethylpolysiloxane, Dimethylsilcone fluid, Poly(dimethylsiloxane)

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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

1,000 cSt(25 °C)

bp

>140 °C/0.002 mmHg (lit.)

density

0.97 g/mL at 25 °C

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General description

Silicone oil is a liquid based siloxane that is part of the methyl silicone fluid system. It has a viscosity of 1000 cSt with a refractive index of ~ 1.403 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 wide range of applications such as: heat transferring medium in chemical and petrochemical industries, a dielectric coolant, 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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
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When establishing the most appropriate cells from the huge numbers of a cell library for practical use of cells in regenerative medicine and production of various biopharmaceuticals, cell heterogeneity often found in an isogenic cell population limits the refinement of

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