RissoChem LOGO
Diphenyldimethoxysilane CAS 6843-66-9


Chemical Name:Diphenyldimethoxysilane
Alias:DMDPS, DDS, Dimethoxydiphenylsilane
Product Category:CAS 6843-66-9 Phenyl Silane Silanes
Structural Formula:Diphenyldimethoxysilane-1
CAS NO.:6843-66-9
Molecular formula:C14H16O2Si
Molecular Weight:244.36

Diphenyldimethoxysilane Description

Diphenyldimethoxysilane (CAS 6843-66-9), also abbreviated as DMDPS, DDS, is a colorless, transparent liquid.

Diphenyldimethoxysilane is an acetylation reagent which is used as a precursor in the preparation of silica, as an electrolyte additive in lithium-ion batteries, and also to prevent overcharging of batteries. It is mainly used in the polymerization of propylene to increase the degree of isomerization.
Chemical nameDiphenyldimethoxysilane
SynonymsDimethoxydiphenylsilane, DMDPS, DDS
Product CategoryPhenyl Silane – Silane Coupling Agent
Density1.08g/mLat 20°C(lit.)
Melting Point<0°C
Boiling Point161°C15mm Hg(lit.)
Flash Point121°C
Water Soluble3mg/L at 20℃
Vapor Pressure0.03Pa at 25℃
Refractive Indexn20/D 1.541
Storage ConditionsInert atmosphere,Room Temperature
SensitivityMoisture Sensitive
  • Our standard packing is net 25kg / 200 kg drums / 1000kg/IBC,or according to your requirements.
  • Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.
  • Shelf life: One year in ventilating, cool and dry area.
  • Provided for free
Inventory items
  • 5 tons.

Packaging Specifications

Packaging Specifications
Contact Jessica G

Jessica G.

Get in touch to Get

  • Quick and helpful reply within 8 hours;
  • Tailored solutions provided for your project;
  • One-stop purchasing service.
Please enable JavaScript in your browser to complete this form.

Diphenyldimethoxysilane: Guide

Diphenyldimethoxysilane or Dimethoxydiphenylsilane is a difunctional monomeric silane
Phenylsilanes can be used at high temperatures and perform well. For the synthesis of high temperature silicone polymers, phenylsilane can replace other functional silanes as a crosslinker. Phenylsilane is also used as an electron donor in polypropylene polymerization.

Used as a catalyst in the preparation of propylene copolymers and in stretching polypropylene films. Used in the synthesis of phenylsilicone rubber, resins and fluids.
Particularly suitable for high temperature vulcanization of methyl phenyl silicone rubber. Used as an adhesion promoter and surface modifier in a variety of paints and coatings, adhesives and sealants.
Used in the preparation of electronic packaging materials and aerospace materials.
Scroll to Top