1,2-dichloro-1,1,2,2-tetramethyldisilane

• ChemBase ID: 148912
• Molecular Formular: C4H12Cl2Si2
• Molecular Mass: 187.21508
• Monoisotopic Mass: 185.98545881
• SMILES: C[Si](C)([Si](C)(C)Cl)Cl
• Canonical SMILES: C[Si]([Si](Cl)(C)C)(Cl)C
• InChI: InChI=1S/C4H12Cl2Si2/c1-7(2,5)8(3,4)6/h1-4H3
• InChIKey: SFAZXBAPWCPIER-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: 1,2-dichloro-1,1,2,2-tetramethyldisilane
• IUPAC Traditional name: 1,2-dichloro-1,1,2,2-tetramethyldisilane
• Synonyms: 1,2-Dichlorotetramethyldisilane; 四甲基二氯二硅烷

Database IDs

• CAS Number: 4342-61-4
• EC Number: 224-400-1
• MDL Number: MFCD00078528
• PubChem SID: 24866003; 162243083
• PubChem CID: 78045

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 1.1098
• LogD (pH = 7.4): 1.1098
• Log P: 1.1098
• Molar Refractivity: 36.0554 cm^3
• Polarizability: 17.658957 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 1
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Boiling Point: 148-149 °C(lit.)
• Flash Point: 37 °C; 98.6 °F
• Density: 1.005 g/mL at 25 °C(lit.)
• Refractive Index: n20/D 1.454(lit.)

Safety Information

• European Hazard Symbols: Corrosive (C)
• UN Number: 2986
• German water hazard class: 3
• Hazard Class: 8
• Packing Group: 2
• Risk Statements: 10-14-34
• Safety Statements: 26-27-36/37/39-45
• GHS Pictograms: GHS02; GHS05
• GHS Signal Word: Danger
• GHS Hazard statements: H226-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 2986 8/PG 2
• Supplemental Hazard Statements: Reacts violently with water.

Product Information

• Purity: 95%
• Linear Formula: [ClSi(CH3)2]2

DETAILS

Sigma Aldrich - 415456

Packaging
5 mL in glass bottle