42940

Dimethoxydiphenylsilane

≥95.0% (GC)

• Synonym(s): Diphenyldimethoxysilane
• Empirical Formula (Hill Notation): C₁₄H₁₆O₂Si
• CAS Number: 6843-66-9
• Molecular Weight: 244.36
• Beilstein/REAXYS Number: 2940458
• EC Number: 229-929-1
• MDL number: MFCD00025690
• UNSPSC Code: 12352103
• PubChem Substance ID: 57650136
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: ≥95.0% (GC)
• form: liquid
• refractive index: n20/D 1.5450 (lit.)
• bp: 161 °C/15 mmHg (lit.)
• density: 1.08 g/mL at 20 °C (lit.)
• SMILES string: CO[Si](OC)(c1ccccc1)c2ccccc2
• InChI: 1S/C14H16O2Si/c1-15-17(16-2,13-9-5-3-6-10-13)14-11-7-4-8-12-14/h3-12H,1-2H3
• InChI key: AHUXYBVKTIBBJW-UHFFFAOYSA-N

Description

General description

Dimethoxydiphenylsilane (DMDPS, DDS) is an acetylating reagent.{57}

Application

DMDPS may be useful as a precursor to prepare silica.{58} It may be used in lithium ion batteries as an electrolyte additive. It prevents the batteries from overcharging.{59}

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315
• Hazard Classifications: Skin Irrit. 2
• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 2
• flash_point_f: 249.8 °F - closed cup
• flash_point_c: 121 °C - closed cup
• ppe: Eyeshields, Gloves, type ABEK (EN14387) respirator filter