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104906

Sigma-Aldrich

Dimethoxydimethylsilane

95%

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Synonym(s):
DMDMS, Dimethyldimethoxysilane
Linear Formula:
Si(OCH3)2(CH3)2
CAS Number:
Molecular Weight:
120.22
Beilstein:
1733694
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Assay

95%

form

liquid

impurities

3% methyl alcohol

refractive index

n20/D 1.369 (lit.)

bp

81.4 °C (lit.)

density

0.88 g/mL at 25 °C (lit.)

SMILES string

CO[Si](C)(C)OC

InChI

1S/C4H12O2Si/c1-5-7(3,4)6-2/h1-4H3

InChI key

JJQZDUKDJDQPMQ-UHFFFAOYSA-N

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Show Differences

1 of 4

This Item
4402724014040120
Dichlorodimethylsilane ≥98.5% (GC)

Sigma-Aldrich

40140

Dichlorodimethylsilane

Diethoxydimethylsilane purum, ≥97.0% (GC)

Sigma-Aldrich

40120

Diethoxydimethylsilane

refractive index

n20/D 1.369 (lit.)

refractive index

n20/D 1.404 (lit.)

refractive index

n20/D 1.404 (lit.)

refractive index

n20/D 1.381 (lit.)

bp

81.4 °C (lit.)

bp

70 °C (lit.)

bp

70 °C (lit.)

bp

114 °C (lit.)

density

0.88 g/mL at 25 °C (lit.)

density

1.07 g/mL at 25 °C (lit.)

density

1.07 g/mL at 25 °C (lit.)

density

0.865 g/mL at 25 °C (lit.)

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

form

liquid

form

liquid

form

liquid

form

liquid

Application

Dimethoxydimethylsilane (DMDMS) can be used:
  • To synthesize various macroporous silica aerogels.
  • In the preparation of hollow silica nanoparticles loaded with phthalocyanine for near-infrared photodynamic and photothermal combination therapy.
  • To synthesize dielectric silicone elastomer with high dielectric permittivity.

Pictograms

Flame

Signal Word

Danger

Hazard Statements

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

50.0 °F

Flash Point(C)

10 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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