bis(bis(trimethylsilyl)amine); chlorotrimethylsilane

• ChemBase ID: 158396
• Molecular Formular: C15H47ClN2Si5
• Molecular Mass: 431.42758
• Monoisotopic Mass: 430.22740985
• SMILES: C[Si](C)(C)N[Si](C)(C)C.C[Si](C)(C)N[Si](C)(C)C.C[Si](C)(C)Cl
• Canonical SMILES: C[Si](N[Si](C)(C)C)(C)C.C[Si](N[Si](C)(C)C)(C)C.C[Si](Cl)(C)C
• InChI: InChI=1S/2C6H19NSi2.C3H9ClSi/c2*1-8(2,3)7-9(4,5)6;1-5(2,3)4/h2*7H,1-6H3;1-3H3
• InChIKey: UCJNZOHHMSKSRP-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: bis(bis(trimethylsilyl)amine); chlorotrimethylsilane
• IUPAC Traditional name: chlorotrimethylsilane; bis(hexamethyldisilizane)
• Synonyms: Chlorotrimethylsilane - hexamethyldisilazane mixture; Hexamethyldisilazane/TMCS 2/1 (v/v) in pyridine; Silylating mixture Fluka I according to Sweeley; Hexamethyldisilazane/TMCS 2/1 (v/v); 三甲基氯硅烷 - 六甲基二硅氮烷混合物; 六甲基二硅氮烷/TMCS 2/1 (v/v) 吡啶溶液; 硅烷化混合物 Fluka I，按照 Sweeley 法; 六甲基二硅氮烷/TMCS 2/1 (v/v); 按照 Sweeley 方法的甲硅烷基化混合物

Database IDs

• CAS Number: 318974-69-5
• MDL Number: MFCD00213951
• PubChem SID: 162252532
• PubChem CID: 71312642

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 1
• LogD (pH = 5.5): -0.8950769
• LogD (pH = 7.4): -0.8299159
• Log P: 2.7111
• Molar Refractivity: 48.5955 cm^3
• Polarizability: 19.175602 Å^3
• Polar Surface Area: 12.03 Å^2
• Rotatable Bonds: 4
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Flash Point: 17 °C; 62.6 °F

Safety Information

• European Hazard Symbols: Corrosive (C); Flammable (F)
• UN Number: 2924
• German water hazard class: 2
• Hazard Class: 3
• Packing Group: 2
• Risk Statements: 11-20/21/22-34
• Safety Statements: 16-26-36/37/39-45
• GHS Pictograms: GHS02; GHS05; GHS07
• GHS Signal Word: Danger
• GHS Hazard statements: H225-H302-H312-H314-H332
• GHS Precautionary statements: P210-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 2924 3/PG 2
• Storage Temperature: 2-8°C

Product Information

• Grade: for GC derivatization
• Description: ready to use solution in pyridine (10 vol parts)
• Quality: ampule

DETAILS

Sigma Aldrich - 85431

Other Notes
Useful silylating mixture for the silylation of hydroxy-compounds1,2
Protocols & Applications
Derivatisation of Non-Steroidal Anti-Inflammatory Drugs with Activated Silylating Reagents