[(dimethylsilyl)oxy]trimethylsilane

• ChemBase ID: 152454
• Molecular Formular: C5H16OSi2
• Molecular Mass: 148.35094
• Monoisotopic Mass: 148.0739682
• SMILES: C[SiH](C)O[Si](C)(C)C
• Canonical SMILES: C[SiH](O[Si](C)(C)C)C
• InChI: InChI=1S/C5H16OSi2/c1-7(2)6-8(3,4)5/h7H,1-5H3
• InChIKey: AOJHDNSYXUZCCE-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: [(dimethylsilyl)oxy]trimethylsilane
• IUPAC Traditional name: dimethylsilyl ether
• Synonyms: Pentamethyldisiloxane; 五甲基二硅氧烷

Database IDs

• CAS Number: 1438-82-0
• EC Number: 215-873-5
• MDL Number: MFCD00053658
• Beilstein Number: 1734568
• PubChem SID: 162246599; 24887062
• PubChem CID: 6327260

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 0
• LogD (pH = 5.5): 1.4207
• LogD (pH = 7.4): 1.4207
• Log P: 1.4207
• Molar Refractivity: 31.0507 cm^3
• Polarizability: 16.497892 Å^3
• Polar Surface Area: 9.23 Å^2
• Rotatable Bonds: 2
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Boiling Point: 86 °C(lit.); 86-87°C
• Flash Point: -19 °C; -19°C(-2°F); -2.2 °F
• Density: 0.758; 0.760 g/mL at 20 °C(lit.)
• Refractive Index: 1.3740; n20/D 1.373

Safety Information

• Storage Warning: Moisture Sensitive
• European Hazard Symbols: Flammable (F)
• UN Number: 1993; UN1993
• German water hazard class: 3
• Hazard Class: 3
• Packing Group: 2; II
• Risk Statements: 11
• Safety Statements: 16-23-24/25; 33
• TSCA Listed: 是
• GHS Pictograms: GHS02
• GHS Signal Word: Danger
• GHS Hazard statements: H225
• GHS Precautionary statements: P210; P210-P241-P280-P303+P361+P353-P403+P235-P501A
• 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

Product Information

• Purity: ≥95.0%; 95%
• Empirical Formula (Hill Notation): C5H16OSi2

DETAILS

Sigma Aldrich - 76840

Packaging
5 mL in glass bottle