378348
Silicone oil
viscosity 20 cSt (25 °C)
Synonym(s):
PDMS, Polydimethylsiloxane
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About This Item
Linear Formula:
[-Si(CH3)2O-]n
CAS Number:
MDL number:
UNSPSC Code:
12162002
NACRES:
NA.23
Recommended Products
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
20 cSt(25 °C)
bp
>140 °C/0.002 mmHg (lit.)
density
0.95 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 20 cSt with a refractive index of ~ 1.4 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 usages such as lubricants, antiflatulent agents, dielectric coolants, and cosmetic additives.
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
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