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Siloxanes

Description:

Saturated silicon-oxygen hydrides with unbranched or branched chains of alternating silicon and oxygen atoms (each silicon atom is separated from its nearest silicon neighbours by single oxygen atoms). The general structure of unbranched siloxanes is H3Si[OSiH2]nOSiH3. H3Si[OSiH2]nOSiH[OSiH2OSiH3]2 is an example of a branched siloxane. By extension hydrocarbyl derivatives are commonly included.

Ancestors:

Organic compounds ⮕ Organometallic compounds ⮕ Organometalloid compounds ⮕ Organosilicon compounds ⮕ Siloxanes
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  1. Silicone oil PMX-200
      Grade & Purity: 
    • viscosity ~10 mPa.s,neat(25 °C)
    Cas Number: 63148-62-9
    Formula:  [-Si(CH3)2O-]n       
    IUPAC Name:  dimethyl-bis(trimethylsilyloxy)silane
    SMILES:  CO[Si](C)(C)OC
    InChIKey: CXQXSVUQTKDNFP-UHFFFAOYSA-N
    InChI:  InChI=1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
    Synonyms: dimethicone macromolecule | Pentamethyl(trimethylsilyloxy)disiloxane | dimeticonum | MFCD00148360 | NCGC00254904-01 |...
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  2. Silicone oil PMX-200
      Grade & Purity: 
    • viscosity ~1000 mPa.s,neat(25 °C)
    Cas Number: 63148-62-9
    Formula:  [-Si(CH3)2O-]n       
    IUPAC Name:  dimethyl-bis(trimethylsilyloxy)silane
    SMILES:  CO[Si](C)(C)OC
    InChIKey: CXQXSVUQTKDNFP-UHFFFAOYSA-N
    InChI:  InChI=1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
    Synonyms: dimethicone macromolecule | Pentamethyl(trimethylsilyloxy)disiloxane | dimeticonum | MFCD00148360 | NCGC00254904-01 |...
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  3. Silicone oil PMX-200
      Grade & Purity: 
    • viscosity ~60000 mPa.s,neat(25 °C)
    Cas Number: 63148-62-9
    Formula:  [-Si(CH3)2O-]n       
    IUPAC Name:  dimethyl-bis(trimethylsilyloxy)silane
    SMILES:  CO[Si](C)(C)OC
    InChIKey: CXQXSVUQTKDNFP-UHFFFAOYSA-N
    InChI:  InChI=1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
    Synonyms: dimethicone macromolecule | Pentamethyl(trimethylsilyloxy)disiloxane | dimeticonum | MFCD00148360 | NCGC00254904-01 |...
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  4. Silicone oil PMX-200
      Grade & Purity: 
    • viscosity ~100 mPa.s,neat(25 °C)
    Cas Number: 63148-62-9
    Formula:  [-Si(CH3)2O-]n       
    IUPAC Name:  dimethyl-bis(trimethylsilyloxy)silane
    SMILES:  CO[Si](C)(C)OC
    InChIKey: CXQXSVUQTKDNFP-UHFFFAOYSA-N
    InChI:  InChI=1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
    Synonyms: dimethicone macromolecule | Pentamethyl(trimethylsilyloxy)disiloxane | dimeticonum | MFCD00148360 | NCGC00254904-01 |...
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  5. Octamethyltrisiloxane
      Grade & Purity: 
    • ≥97%(GC)
    Cas Number: 107-51-7        EC Number: 203-497-4
    Formula:  [(CH3)3SiO]2Si(CH3)2        Molecular Weight: 236.53
    IUPAC Name:  dimethyl-bis(trimethylsilyloxy)silane
    SMILES:  C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
    InChIKey: CXQXSVUQTKDNFP-UHFFFAOYSA-N
    InChI:  InChI=1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
    Synonyms: dimethicone macromolecule | Pentamethyl(trimethylsilyloxy)disiloxane | dimeticonum | MFCD00148360 | NCGC00254904-01 |...
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  6. Poly(dimethylsiloxane), bis(3-aminopropyl) terminated(PDMS）
      Grade & Purity: 
    • average Mn ~3000
    Cas Number: 106214-84-0
    Formula:  H2N(CH2)3Si(CH3)2O[Si(CH3)2O]nSi(CH3)2(CH2)3NH2       
    IUPAC Name:  3-[[[3-aminopropyl(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]propan-1-amine
    SMILES:  C[Si](C)=O.C[Si](C)(O)CCCN
    InChIKey: ZWRBLCDTKAWRHT-UHFFFAOYSA-N
    InChI:  InChI=1S/C12H34N2O2Si3/c1-17(2,11-7-9-13)15-19(5,6)16-18(3,4)12-8-10-14/h7-14H2,1-6H3
    Synonyms: PDMS
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  7. Hydroxy-(Hydroxy-Dimethylsilyl)Oxy-Dimethylsilane
      Grade & Purity: 
    • ≥96%
    Cas Number: 1118-15-6
    Formula:  C4H14O3Si2        Molecular Weight: 166.32
    IUPAC Name:  hydroxy-[hydroxy(dimethyl)silyl]oxy-dimethylsilane
    SMILES:  C[Si](C)(O)O[Si](C)(C)O
    InChIKey: PFEAZKFNWPIFCV-UHFFFAOYSA-N
    InChI:  InChI=1S/C4H14O3Si2/c1-8(2,5)7-9(3,4)6/h5-6H,1-4H3
    Synonyms: 1118-15-6|1,3-Disiloxanediol, 1,1,3,3-tetramethyl-|1,1,3,3-Tetramethyldisiloxane-1,3-diol|1,3-Dihydroxytetramethyldis...
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  8. Vinyl Pentamethyl Disiloxane
      Grade & Purity: 
    • ≥95%
    Cas Number: 1438-79-5        Compound CID:  74036
    Formula:  C7H18OSi2        Molecular Weight: 174.39
    IUPAC Name:  ethenyl-dimethyl-trimethylsilyloxysilane
    SMILES:  C[Si](C)(C)O[Si](C)(C)C=C
    InChIKey: MRRXLWNSVYPSRB-UHFFFAOYSA-N
    InChI:  InChI=1S/C7H18OSi2/c1-7-10(5,6)8-9(2,3)4/h7H,1H2,2-6H3
    Synonyms: 1438-79-5|VINYLPENTAMETHYLDISILOXANE|Disiloxane, ethenylpentamethyl-|Pentamethylvinyldisiloxane|ethenyl-dimethyl-trim...
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  9. Karstedt Catalyst Solution
      Grade & Purity: 
    • 0.1 M in poly(dimethylsiloxane), vinyl terminated
    Cas Number: 68478-92-2
    Formula:  O[Si(CH3)2CH=CH2]2Pt        Molecular Weight: 381.48
    IUPAC Name:  ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane;platinum
    SMILES:  C[Si](C)(C=C)O[Si](C)(C)C=C.[Pt]
    InChIKey: RCNRJBWHLARWRP-UHFFFAOYSA-N
    InChI:  InChI=1S/C8H18OSi2.Pt/c1-7-10(3,4)9-11(5,6)8-2;/h7-8H,1-2H2,3-6H3;
    Synonyms: Karstedt′s catalyst | Platinum(0) 1,3-diethenyl-1,1,3,3-tetramethyldisiloxane complexes
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  10. Karstedt Catalyst Solution
      Grade & Purity: 
    • 0.05 M in poly(dimethylsiloxane), vinyl terminated
    Cas Number: 68478-92-2
    Formula:  O[Si(CH3)2CH=CH2]2Pt        Molecular Weight: 381.48
    IUPAC Name:  ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane;platinum
    SMILES:  C[Si](C)(C=C)O[Si](C)(C)C=C.[Pt]
    InChIKey: RCNRJBWHLARWRP-UHFFFAOYSA-N
    InChI:  InChI=1S/C8H18OSi2.Pt/c1-7-10(3,4)9-11(5,6)8-2;/h7-8H,1-2H2,3-6H3;
    Synonyms: Platinum (0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex | Karstedt Catalyst | Karstedt′s catalyst | Platinum(0...
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  11. Karstedt Catalyst Solution
      Grade & Purity: 
    • in xylene,Pt:~2%
    Cas Number: 68478-92-2
    Formula:  O[Si(CH3)2CH=CH2]2Pt        Molecular Weight: 381.48
    IUPAC Name:  ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane;platinum
    SMILES:  C[Si](C)(C=C)O[Si](C)(C)C=C.[Pt]
    InChIKey: RCNRJBWHLARWRP-UHFFFAOYSA-N
    InChI:  InChI=1S/C8H18OSi2.Pt/c1-7-10(3,4)9-11(5,6)8-2;/h7-8H,1-2H2,3-6H3;
    Synonyms: Umicore HS221 | Platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane | RCNRJBWHLARWRP-UHFFFAOYSA-N | SCHEMBL63112 | ...
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  12. Dimethylsilicone oil
      Grade & Purity: 
    • viscosity 1000±80mPa.s
    Cas Number: 63148-62-9
    Formula:  [-Si(CH3)2O-]n       
    IUPAC Name:  dimethyl-bis(trimethylsilyloxy)silane
    SMILES:  CO[Si](C)(C)OC
    InChIKey: CXQXSVUQTKDNFP-UHFFFAOYSA-N
    InChI:  InChI=1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
    Synonyms: Pentamethyl(trimethylsilyloxy)disiloxane | dimethyl-bis(trimethylsilyloxy)silane | 1,1,1,3,3,5,5,5-Octamethyltrisilox...
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