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378399

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)

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

378399-BULK:
378399-1L:
378399-5ML:
378399-VAR:
378399-250ML:


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)
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
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Proceedings of the National Academy of Sciences of the United States of America, 110(20), 8093-8098 (2013-05-01)
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