[(dimethylsilyl)oxy]dimethylsilane

• ChemBase ID: 112784
• Molecular Formular: C4H14OSi2
• Molecular Mass: 134.32436
• Monoisotopic Mass: 134.05831813
• SMILES: C[SiH](C)O[SiH](C)C
• Canonical SMILES: C[SiH](O[SiH](C)C)C
• InChI: InChI=1S/C4H14OSi2/c1-6(2)5-7(3)4/h6-7H,1-4H3
• InChIKey: NVYQDQZEMGUESH-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: [(dimethylsilyl)oxy]dimethylsilane
• IUPAC Traditional name: dimethylsilyl ether
• Synonyms: 1,1,3,3-TETRAMETHYLDISILOXANE; Siloxane HSi2; 1,1,3,3-Tetramethyldisiloxane; 四甲基二氢二硅氧烷; 1,1,3,3-四甲基二硅氧烷; 1,1,3,3-四甲基二甲硅醚

Database IDs

• CAS Number: 3277-26-7
• EC Number: 221-906-4
• MDL Number: MFCD00008256
• Beilstein Number: 1733364
• PubChem SID: 24889321; 24900267; 162097975; 24853998; 24888743
• PubChem CID: 6327482

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 0
• LogD (pH = 5.5): -0.1864
• LogD (pH = 7.4): -0.1864
• Log P: -0.1864
• Molar Refractivity: 26.0706 cm^3
• Polarizability: 14.659903 Å^3
• Polar Surface Area: 9.23 Å^2
• Rotatable Bonds: 2
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: -78°C
• Boiling Point: 70-71 °C(lit.); 70-71°C
• Flash Point: -14.8 °F; -26 °C; -26°C(-15°F)
• Density: 0.76 g/mL at 25 °C(lit.); 0.760
• Refractive Index: 1.3700; n20/D 1.370; n20/D 1.370(lit.)

Safety Information

• Storage Warning: Moisture Sensitive
• RTECS: JN1000000
• European Hazard Symbols: Flammable (F)
• UN Number: 1993; UN1993
• German water hazard class: 2
• Hazard Class: 3
• Packing Group: 2; II
• Risk Statements: 11; 11-16
• Safety Statements: 16; 9-16-29-33
• TSCA Listed: 是
• GHS Pictograms: GHS02
• GHS Signal Word: Danger
• GHS Hazard statements: H225
• GHS Precautionary statements: P210; P210-P243-P403+P233
• 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 2
• Storage Temperature: 2-8°C

Product Information

• Purity: ≥97%; ≥97.0% (GC); ≥98.0% (GC); 97%
• Grade: produced by Wacker; purum
• Linear Formula: [(CH3)2SiH]2O

DETAILS

MP Biomedicals - 05225814

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 92231

Other Notes
prices for bulk quantities on request
Packaging
500 g in glass bottle

Sigma Aldrich - 235733

Packaging
25, 100 g in glass bottle

Sigma Aldrich - 87835

Other Notes
Reducing agent1,2,3

REFERENCES

• Reducing agent:
• In the presence of TMS chloride and either LiBr or NaI, aromatic aldehydes are reduced directly to benzyl halides: Tetrahedron Lett., 25, 1103 (1984).
• With a Pd(0) catalyst, acetylenes are reduced to olefins (mainly cis): Tetrahedron Lett., 30, 4675 (1989).
• Forms polymers via hydrosilylation of alkadienes and and alkynes.
• In the presence of a catalytic amount of titanium isopropoxide, secondary and tertiary phosphine oxides can be reduced to the corresponding phosphines in high yield, avoiding pyrophoric reagents: Synlett, 1545 (2007).