2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane

• ChemBase ID: 108029
• Molecular Formular: C4H16O4Si4
• Molecular Mass: 240.50944
• Monoisotopic Mass: 240.01256512
• SMILES: C[SiH]1O[SiH](C)O[SiH](C)O[SiH](C)O1
• Canonical SMILES: C[SiH]1O[SiH](C)O[SiH](O[SiH](O1)C)C
• InChI: InChI=1S/C4H16O4Si4/c1-9-5-10(2)7-12(4)8-11(3)6-9/h9-12H,1-4H3
• InChIKey: BQYPERTZJDZBIR-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: 2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
• IUPAC Traditional name: 2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
• Synonyms: 1,3,5,7-Cyclotetra(methylsiloxane); 1,3,5,7-Tetramethylcyclotetrasiloxane; 2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE; TMCTS; 2,4,6,8-Tetramethylcyclotetrasiloxane; 2,4,6,8-四甲基环四硅氧烷

Database IDs

• CAS Number: 2370-88-9
• EC Number: 219-137-4
• MDL Number: MFCD00039567
• Beilstein Number: 1787074; 1775282
• PubChem SID: 162093798; 24873664
• PubChem CID: 6327421

CALCULATED PROPERTIES

• H Acceptors: 4
• H Donor: 0
• LogD (pH = 5.5): -1.1324
• LogD (pH = 7.4): -1.1324
• Log P: -1.1324
• Molar Refractivity: 32.3836 cm^3
• Polarizability: 22.066053 Å^3
• Polar Surface Area: 36.92 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: liquid
• Melting Point: -69 °C(lit.); -69°C
• Boiling Point: 134 °C(lit.); 134-135°C
• Flash Point: 24 °C; 25°C(77°F); 75.2 °F
• Density: 0.986 g/mL at 25 °C(lit.); 0.991
• Refractive Index: 1.3870; n20/D 1.387(lit.)

Safety Information

• Storage Warning: Moisture Sensitive
• European Hazard Symbols: Irritant (Xi)
• UN Number: 1993; UN1993
• German water hazard class: 3
• Hazard Class: 3
• Packing Group: 3; III
• Risk Statements: 10; 10-36
• Safety Statements: 16-26-36; 26
• TSCA Listed: 是
• GHS Pictograms: GHS02; GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H226; H226-H319
• GHS Precautionary statements: P210-P241-P303+P361+P353-P305+P351+P338-P403+P235-P501A; P305 + P351 + P338
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1993 3/PG 3
• Storage Temperature: 2-8°C

Product Information

• Purity: ≥95% (GC); ≥99.5%; ≥99.999% trace metals basis; 95%; 99%
• Grade: technical
• Linear Formula: (HSiCH3O)4

DETAILS

MP Biomedicals - 05205798

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 424811

Application
Compound undergoes hydrosilylation reactions.1
Features and Benefits
Precursor for gate dielectrics in thin-film transistors (TFT),2 and is a component of photochemically formed SiOX monolayers on TiO.3

Sigma Aldrich - 512990

Features and Benefits
Precursor for gate dielectrics in thin-film transistors (TFT),1 and is a component of photochemically formed SiOX monolayers on TiO.2
General description
Atomic number of base material: 14 Silicon
Packaging
25, 100 mL in glass bottle

Sigma Aldrich - 87797

Features and Benefits
Precursor for gate dielectrics in thin-film transistors (TFT),1 and is a component of photochemically formed SiOX monolayers on TiO.2