1,1,3,3-Tetramethyldisiloxan

1,1,3,3-Tetramethyl-disiloxane

HCID 18659CAS 3277-26-7

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Grundinformationen

Standard-SMILES: C[SiH](C)O[SiH](C)C
InChIKey: NVYQDQZEMGUESH-UHFFFAOYSA-N
Summenformel: C4H14OSi2
Durchschnittliche Molmasse: 134,32 g/mol
Monoisotopische Masse: 134,05831813

Namen und Bezeichner

Bevorzugter Name: 1,1,3,3-Tetramethyl-disiloxane
IUPAC: dimethylsilyloxy(dimethyl)silane
Lokaler Name: 1,1,3,3-Tetramethyldisiloxan
Englischer Name: 1,1,3,3-Tetramethyldisiloxane
Summenformel: C4H14OSi2
Molmasse: 134.32

Namen und Synonyme

1,1,3,3-Tetramethyl-disiloxaneC4H14OSi2dimethylsilyloxy(dimethyl)silaneSCHEMBL114571HSi(CH3)2OSi(CH3)2H1,1,3,3-Tetramethyl disiloxane1,1,3,3-Tetramethyldisiloxane, 97%s16125NS00049561D78156Q633981681,1,3,3-Tetramethyldisiloxane, purum, >=97.0% (GC)

Weitere Namen anzeigen

TMDSOTETRAMETHYLDISILOXANETMDO(Me2HSi)2ODimethylsilyl ether5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)pyridine(CH3)2HSiOSiH(CH3)2Tetramethyldisiloxanbis(dimethylsilyl)oxideDisiloxane, 1,1,3,3-tetramethyl-

1,1,3,3-Tetramethyldisiloxane, produced by Wacker Chemie AG, Burghausen, Germany, >=98.0% (GC)

Datenbank-Bezeichner

CAS: 3277-26-7
PubChem CID: 18659
DTXSID: DTXSID3052010

Eigenschaften

Berechnete Struktureigenschaften

Polarare Oberfläche (TPSA): 9,2 Å²
H-Brücken-Donoren: 0
H-Brücken-Akzeptoren: 1
Frei drehbare Bindungen: 2
Schwere Atome: 7
Formalladung: 0
Komplexität: 39

Experimentelle und physikochemische Eigenschaften

SpringerMaterials Properties29Si nuclear magnetic resonance spectrum

Physikochemische Eigenschaften

Schmelzpunkt: -78 °C · <-78°C
Siedepunkt: 70 · 70-71 °C (lit.)
Dichte: 0.76 g/mL · 0.76 g/mL at 25 °C (lit.)
Dampfdruck: 250 hPa · 250 hPa (20 °C)
Brechungsindex: 20 · n20/D 1.370(lit.)
Flammpunkt: 14 °F · 14 °F
storage temp.: 20 °C · Store at <= 20°C.
Löslichkeit: soluble in Chloroform
pka: 11.9 · 11.9[at 20 ℃]
Aggregatzustand: liquid
Farbe: colorless
Wichte: 0.757 · 0.757
Explosionsgrenze: 0.8 · 0.8-62.9%(V)
Wasserlöslichkeit: DECOMPOSES
BRN: 1733364 · 1733364
InChI: 1S/C4H14OSi2/c1-6(2)5-7(3)4/h6-7H,1-4H3
InChIKey: NVYQDQZEMGUESH-UHFFFAOYSA-N
SMILES: C[SiH](C)O[SiH](C)C
LogP: -0.38 · -0.38-4.5 at 20-25℃
CAS Datenbank: 3277 · 3277-26-7(CAS DataBase Reference)
NIST chemische Informationen: ((CH3)2SiH)2O(3277-26-7)
EPA chemische Informationen: 1 · Disiloxane, 1,1,3,3-tetramethyl- (3277-26-7)

Sicherheit und Regulatorisches

Sicherheitsdaten

F: 10-21
wgk: 3
tsca: TSCA listed
ridadr: UN 2924 3/PG 2
hs_code: 29310095
RTECS-Nr.: JN1000000
risk_code: 11-36/37/38-16
hazard_code: F
safety_code: 16-26-36-9-33-29
hazard_class: 3
packing_group: II
Speicherklasse: 3 - Flammable liquids
Hazard Classifications: Flam. Liq. 2
Selbstentzündungstemperatur: 240 °C

Chemie und Industrie

Anwendungen · 2 Einträge

Beschreibung1,1,3,3-Tetramethyldisiloxane is soluble in many organic solvents, such as aromatic hydrocarbon and petroleum hydrocarbons, and so on. This product is a kind of widely used organic silicon intermediates, and usually be used as organic silicon blocking agent. Due to containing reactive Si-H groups in the molecular structure, it can be used in the synthesis of copolymer macromolecule by hydrosilylation. The synthesis of copolymer macromolecule can be made into a series of reactive silicone oil.

Verwenden1,1,3,3-Tetramethyldisiloxane is used as a monomer in the production of silicone polymers or silicone resins. It is used as a precursor to prepare other organosilicon compounds. It is also utilized in non-aqueous polymer preparation as well as a laboratory reagent.