18420-09-2

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18420-09-2 Structure

Identification	Back Directory
[Name] 1,1,3,3-TETRAMETHYL-1,3-DIETHOXYDISILOXANE
[CAS] 18420-09-2
[Synonyms] Tetramethyldiethoxydisiloxane 1,3-DIETHOXYTETRAMETHYLDISILOXANE 1,3-DIETHOXY-1,1,3,3-TETRAMETHYLDISILOXANE 1,3-diethoxy-1,1,3,3-tetramethyl-disiloxan 1,1,3,3-TETRAMETHYL-1,3-DIETHOXYDISILOXANE Disiloxane,1,3-diethoxy-1,1,3,3-tetramethyl- 1,1,3,3-TETRAMETHYL-1,3-DIETHOXYDISILOXANE 97% ethoxy-[ethoxy(dimethyl)silyl]oxy-dimethylsilane 1,1,3,3-Tetramethyl-1,3-diethoxypropanedisiloxane 1,3-Diethoxy-1,1,3,3-tetramethylpropanedisiloxane
[EINECS(EC#)] 242-298-7
[Molecular Formula] C8H22O3Si2
[MDL Number] MFCD00053754
[MOL File] 18420-09-2.mol
[Molecular Weight] 222.43

Chemical Properties	Back Directory
[Melting point ] -134°C
[Boiling point ] 161 °C (lit.)
[density ] 0.883 g/mL at 25 °C (lit.)
[refractive index ] n20/D 1.389(lit.)
[Fp ] 110 °F
[solubility ] Chloroform (Soluble), Methanol (Slightly)
[form ] Oil
[color ] Colourless
[Specific Gravity] 0.879
[Hydrolytic Sensitivity] 7: reacts slowly with moisture/water
[EPA Substance Registry System] Disiloxane, 1,3-diethoxy-1,1,3,3-tetramethyl- (18420-09-2)

Hazard Information	Back Directory
[Uses] 1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane is used in preparation of symmetric Alkoxy-substituted Alkyldisiloxanes by alkoxy partial hydrolysis of alkoxysilanes, carbonization and condensation

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