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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:
63148-62-9
MDL number:
MFCD00132673
UNSPSC Code:
12162002
NACRES:
NA.23

vapor density

>1 (vs air)

Quality Level

200

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)

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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
Ryan G Porter et al.
Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology, 34(2), 304-310 (2013-02-28)
To describe a successful paradigm for the treatment of large acoustic neuromas (vestibular schwannomas). Retrospective case review. Tertiary referral center. The charts of 2,875 acoustic neuroma patients at Michigan Ear Institute were reviewed to identify 153 patients who underwent surgical
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