Octamethyltrisiloxane(107-51-7) MS
Product NameOctamethyltrisiloxane
CAS107-51-7
Molecular FormulaC8H24O2Si3
Molecular Weight236.53
InChIInChI=1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
InChIKey CXQXSVUQTKDNFP-UHFFFAOYSA-N
Smiles[Si](C)(C)(C)O[Si](C)(C)O[Si](C)(C)C
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MassMS-IW-7198 octamethyltrisiloxane C8H24O2Si3 (Mass of molecular ion: 236)
Source Temperature: 220 °C Sample Temperature: 150 °C Reservoir, 75 eV
45.0 3.7 59.0 4.2 73.0 62.1 74.0 5.2 75.0 3.0 87.0 1.2 95.0 2.2 103.0 9.9 103.5 2.0 104.0 1.2 117.0 1.4 131.0 2.2 133.0 3.6 147.0 3.7 189.0 3.7 191.0 1.8 205.0 5.8 206.0 1.3 207.0 1.5 221.0 100.0 222.0 23.1 223.0 12.7 224.0 2.0 281.0 1.8
parameter in CDCl3
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1H NMR 300 MHz C8 H24 O2 Si3 0.05 ml : 0.5 ml CDCl3 octamethyltrisiloxane 
Parameter ppm Hz
D(A) 0.087 D(B) 0.022 J(A,Si-29) = 118 Hz.
Hz ppm Int.26.10 0.087 1000 6.60 0.022 334
in CDCl3
liquid film
