469319
Poly(dimethylsiloxane)
viscosity 1.0 cSt (25 °C)
Synonym(s):
Octamethyltrisiloxane
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About This Item
Linear Formula:
[(CH3)3SiO]2Si(CH3)2
CAS Number:
Molecular Weight:
236.53
Beilstein:
1753063
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
vapor density
>1 (vs air)
Quality Level
refractive index
n20/D 1.384 (lit.)
viscosity
1.0 cSt(25 °C)
bp
153 °C (lit.)
mp
−82 °C (lit.)
density
0.82 g/mL at 25 °C (lit.)
SMILES string
C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
InChI
1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
InChI key
CXQXSVUQTKDNFP-UHFFFAOYSA-N
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General description
Poly(dimethylsiloxane) (PDMS), also known as dimethicone, is an organosilicon compound that is widely used as a siloxane based elastomer. It is a hydrophobic material with attractive physical and chemical properties such as elasticity, optical transparency, tunable surface chemistry, and low electrical conductivity.
Application
PDMS can be used in microfluidic devices, nanolithography, and other membrane based applications.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Flam. Liq. 3
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
84.2 °F - (External MSDS)
Flash Point(C)
29 °C - (External MSDS)
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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