tetradimethylsilyl silicate

• ChemBase ID: 150482
• Molecular Formular: C8H28O4Si5
• Molecular Mass: 328.73302
• Monoisotopic Mass: 328.08339204
• SMILES: C[SiH](C)O[Si](O[SiH](C)C)(O[SiH](C)C)O[SiH](C)C
• Canonical SMILES: C[SiH](O[Si](O[SiH](C)C)(O[SiH](C)C)O[SiH](C)C)C
• InChI: InChI=1S/C8H28O4Si5/c1-13(2)9-17(10-14(3)4,11-15(5)6)12-16(7)8/h13-16H,1-8H3
• InChIKey: GTWPLTBXXGOHNT-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: tetradimethylsilyl silicate
• IUPAC Traditional name: tetradimethylsilyl silicate
• Synonyms: Tetrakis(dimethylsiloxy)silane; Tetrakis(dimethylsilyl) orthosilicate; Tetrakis(dimethylsilyl) orthosilcate; Tetrakis(dimethylsiloxy)silane; 四(二甲基硅氧基)硅烷; 四(二甲基硅基)原硅酸酯; 四(二甲基硅氧基)硅烷

Database IDs

• CAS Number: 17082-47-2
• MDL Number: MFCD00053848
• Beilstein Number: 1784368; 1793898
• PubChem SID: 24873122; 162244643
• PubChem CID: 11056564

CALCULATED PROPERTIES

• H Acceptors: 4
• H Donor: 0
• LogD (pH = 5.5): -0.2864
• LogD (pH = 7.4): -0.2864
• Log P: -0.2864
• Molar Refractivity: 54.8416 cm^3
• Polarizability: 32.998257 Å^3
• Polar Surface Area: 36.92 Å^2
• Rotatable Bonds: 8
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: -60°C
• Boiling Point: 188-190°C; 190 °C(lit.)
• Flash Point: 152.6 °F; 67 °C; 67°C(153°F)
• Density: 0.884; 0.884 g/mL at 25 °C(lit.)
• Refractive Index: 1.3880; n20/D 1.387; n20/D 1.387(lit.)

Safety Information

• Storage Warning: Moisture Sensitive
• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 3
• Risk Statements: 36/37/38
• Safety Statements: 26-36; 26-37
• TSCA Listed: 是
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335; H315-H319-H335-H227
• GHS Precautionary statements: P210-P305+P351+P338-P302+P352-P321-P405-P501A; P261-P305 + P351 + P338
• Personal Protective Equipment: Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter

Product Information

• Purity: ≥97.0% (GC); 96%; 97%
• Grade: purum
• Linear Formula: [HSi(CH3)2O]4Si

DETAILS

Sigma Aldrich - 497509

Packaging
25 mL in glass bottle

REFERENCES

• Non-volatile NMR standard for high temperature work, in place of the highly volatile Tetramethylsilane, A13148.