20437

tert-Butoxy(chloro)diphenylsilane

≥97.0% (GC)

• Synonym(s): tert-Butoxy-diphenylchlorosilane
• Empirical Formula (Hill Notation): C₁₆H₁₉ClOSi
• CAS Number: 17922-24-6
• Molecular Weight: 290.86
• Beilstein/REAXYS Number: 5037778
• MDL number: MFCD00077672
• UNSPSC Code: 12352002
• PubChem Substance ID: 57647839

Properties

• assay: ≥97.0% (GC)
• contains: ~0.5% CaCO₃ as stabilizer
• refractive index: n20/D 1.539
• bp: 130-135 °C/0.1 mmHg
• density: 1.076 g/mL at 20 °C (lit.)
• storage temp.: −20°C
• SMILES string: CC(C)(C)O[Si](Cl)(c1ccccc1)c2ccccc2
• InChI: 1S/C16H19ClOSi/c1-16(2,3)18-19(17,14-10-6-4-7-11-14)15-12-8-5-9-13-15/h4-13H,1-3H3
• InChI key: MSZDOMFSWXWKTK-UHFFFAOYSA-N

Description

Other Notes

Reagent for the introduction of a new alcohol-protecting group; these ethers are about 10 times more stable to acid hydrolysis than the corresponding TBDMS ethers and are cleaved with TBAF about 25 times more readily

Safety Information

• pictograms: GHS02,GHS05
• signalword: Danger
• hcodes: H226,H314
• pcodes: P280 - P305 + P351 + P338 - P310
• Hazard Classifications: Flam. Liq. 3 - Skin Corr. 1B
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 132.8 °F - closed cup
• flash_point_c: 56 °C - closed cup
• ppe: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter