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181846

Supelco

Poly(dimethylsiloxane)

analytical standard, average Mw 95,000 (Typical), average Mn 50,000 (Typical)

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Synonym(s):
Dimethylpolysiloxane
Linear Formula:
[Si(CH3)2O]n
CAS Number:
63148-62-9
MDL number:
MFCD00084411
PubChem Substance ID:
24850959
NACRES:
NA.24

grade

analytical standard

Quality Level

100

vapor pressure

5 mmHg ( 20 °C)

mol wt

average Mn 50,000 (Typical)
average Mw 95,000 (Typical)

technique(s)

gel permeation chromatography (GPC): suitable

format

neat

SMILES string

C[Si](C)=O

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This Item
PHR151881153361879
Poly(dimethylsiloxane) analytical standard, average Mw 95,000 (Typical), average Mn 50,000 (Typical)

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181846

Poly(dimethylsiloxane)

Polydimethylsiloxane Pharmaceutical Secondary Standard; Certified Reference Material

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Poly(dimethylsiloxane) analytical standard, for GPC, 311

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81153

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Dimethylpolysiloxane set of analytical standards, molecular weight series

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361879

Dimethylpolysiloxane

technique(s)

gel permeation chromatography (GPC): suitable

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

gel permeation chromatography (GPC): suitable

technique(s)

gel permeation chromatography (GPC): suitable

format

neat

format

neat

format

neat

format

neat

vapor pressure

5 mmHg ( 20 °C)

vapor pressure

-

vapor pressure

5 mmHg ( 20 °C)

vapor pressure

-

mol wt

average Mn 50,000 (Typical)

mol wt

-

mol wt

Mn ~311, Mp ~311, Mw ~311

mol wt

Mw 100,000, Mw 270,000, Mw 40,000

Quality Level

100

Quality Level

300

Quality Level

-

Quality Level

100

General description

Poly(dimethylsiloxane) [PDMS] is a polymer. It is a stable silicone rubber. It has been used as ion selective membrane for ion-sensitive field-effect transistors, as spring material in accelerometers, elastomer on a tactile sensor and as flexible encapsulation material in decouple sensors.
This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

Application

It was used in a study performed to understand its molecular weight and molecular weight distribution by off-line coupling of GPC with MALDI mass spectrometer.

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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Molecular weight distribution of poly (dimethylsiloxane) by combining matrix-assisted laser desorption/ionization time-of-flight mass spectrometry with gel-permeation chromatography fractionation.
Montaudo, Giorgio, et al.
Rapid Communications in Mass Spectrometry, 9.12, 1158-1163 (1995)
Robust and biodegradable elastomers based on corn starch and polydimethylsiloxane (PDMS).
Ceseracciu L
ACS Applied Materials & Interfaces, 7(6), 3742-3753 (2015)

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