2,8-dichloro-2,4,4,6,6,8-hexamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane

• ChemBase ID: 147055
• Molecular Formular: C8H24Cl2O3Si4
• Molecular Mass: 351.52236
• Monoisotopic Mass: 350.01795612
• SMILES: C[Si](C)(O[Si](C)(C)O[Si](C)(C)Cl)O[Si](C)(C)Cl
• Canonical SMILES: C[Si](O[Si](Cl)(C)C)(O[Si](O[Si](Cl)(C)C)(C)C)C
• InChI: InChI=1S/C8H24Cl2O3Si4/c1-14(2,9)11-16(5,6)13-17(7,8)12-15(3,4)10/h1-8H3
• InChIKey: UHRAUGIQJXURFE-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: 2,8-dichloro-2,4,4,6,6,8-hexamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane
• IUPAC Traditional name: 2,8-dichloro-2,4,4,6,6,8-hexamethyl-3,5,7-trioxa-2,4,6,8-tetrasilanonane
• Synonyms: 1,7-Dichloro-octamethyltetrasiloxane; 1,7-二氯辛甲基四硅氧烷

Database IDs

• CAS Number: 2474-02-4
• EC Number: 219-597-6
• MDL Number: MFCD00045148
• Beilstein Number: 1784800
• PubChem SID: 162241247; 24863991
• PubChem CID: 75584

CALCULATED PROPERTIES

• H Acceptors: 3
• H Donor: 0
• LogD (pH = 5.5): 1.7642
• LogD (pH = 7.4): 1.7642
• Log P: 1.7642
• Molar Refractivity: 63.8888 cm^3
• Polarizability: 33.099815 Å^3
• Polar Surface Area: 27.69 Å^2
• Rotatable Bonds: 6
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: -62 °C(lit.)
• Boiling Point: 222 °C(lit.)
• Flash Point: 188.6 °F; 87 °C
• Density: 1.011 g/mL at 25 °C(lit.)
• Refractive Index: n20/D 1.405(lit.)

Safety Information

• European Hazard Symbols: Corrosive (C)
• UN Number: 2987
• German water hazard class: 3
• Hazard Class: 8
• Packing Group: 2
• Risk Statements: 34
• Safety Statements: 26-36/37/39-45
• GHS Pictograms: GHS05
• GHS Signal Word: Danger
• GHS Hazard statements: H314
• GHS Precautionary statements: P280-P305 + P351 + P338-P310
• Personal Protective Equipment: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 2987 8/PG 2

Product Information

• Purity: 95%
• Linear Formula: Cl[Si(CH3)2O]3Si(CH3)2Cl

DETAILS

Sigma Aldrich - 384372

Packaging
25 g in glass bottle