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378380

Sigma-Aldrich

Silicone oil

viscosity 500 cSt (25 °C)

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Linear Formula:
[-Si(CH3)2O-]n
CAS Number:
MDL number:
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

500 cSt(25 °C)

bp

>140 °C/0.002 mmHg (lit.)

density

0.97 g/mL at 25 °C

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Silicone oil viscosity 500&#160;cSt&#160;(25&#160;°C)

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Silicone oil viscosity 100&#160;cSt&#160;(25&#160;°C)

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Silicone oil

viscosity

500 cSt(25 °C)

viscosity

1,000 cSt(25 °C)

viscosity

350 cSt(25 °C)

viscosity

100 cSt(25 °C)

form

viscous liquid

form

viscous liquid

form

viscous liquid

form

viscous liquid

density

0.97 g/mL at 25 °C

density

0.97 g/mL at 25 °C

density

0.968 g/mL at 25 °C

density

0.96 g/mL at 25 °C

vapor density

>1 (vs air)

vapor density

>1 (vs air)

vapor density

>1 (vs air)

vapor density

>1 (vs air)

vapor pressure

<5 mmHg ( 25 °C)

vapor pressure

<5 mmHg ( 25 °C), 5 mmHg ( 20 °C)

vapor pressure

<5 mmHg ( 25 °C), 5 mmHg ( 20 °C)

vapor pressure

<5 mmHg ( 25 °C), 5 mmHg ( 20 °C)

General description

Silicone oil is a liquid based siloxane that is part of the methyl silicone fluid system. It has a viscosity of 500 cSt that is dependent on the chain length distribution. Its refractive index is ~ 1.402 and dielectric strength is ~ 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 application such as: heat transferring medium in chemical and petrochemical industries, a dielectric coolant, a lubricant and antiflatulent agent, protective coatings for construction materials, a cosmetic additive.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

214.0 °F - closed cup

flash_point_c

101.1 °C - closed cup

ppe

Eyeshields, Gloves


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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
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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
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