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Postion:Product Catalog >Chemical Reagents>Organic reagents>Silane>Divinyltetramethyldisiloxane
Divinyltetramethyldisiloxane
  • Divinyltetramethyldisiloxane
  • Divinyltetramethyldisiloxane
  • Divinyltetramethyldisiloxane

Divinyltetramethyldisiloxane

Price $1
Package 25Kg/Drum
Min. Order: 1KG
Supply Ability: 20mt per month
Update Time: 2025-08-27

Product Details

Product Name: Divinyltetramethyldisiloxane CAS No.: 2627-95-4
Min. Order: 1KG Purity: 99.0%min
Supply Ability: 20mt per month Release date: 2025/08/27

Divinyltetramethyldisiloxane CAS No.2627-95-4

Tetramethyldivinyldisiloxane . 
Synonym: Divinyltetramethyldisiloxane 
1,1,3,3-Tetramethyl-1,3-divinyldisiloxane

Typical Physical Properties

Chemical Name:

Tetramethyldivinyldisiloxane VMM, ViMM 

CAS No.:

2627-95-4

EINECS No.:

220-099-6

Empirical Formula:

18 OSi 2

Molecular Weight:

186.40

Boiling Point:

139°C [760mmHg]

Flash Point:

19°C

Color and Appearance:

Colorless or yellowish transparent liquid

Density [25°C]:

0.811

Refractive Index [25°C]:

1.412[25°C]

Purity:

99.0%min  & 99.5%min

 

Applications

It  is used as a linear inhibitor in the formulating of two-part Silicone RTV-2 Addition Curing systems.


Because of the large vinyl content, small amounts are very effective in retarding and controlling the working time or pot life of two-part Addition-Curing Silicone RTVs.


Also, due to its boiling point of 139oC, it is easily volatilized during curing. A suggested starting formulation is to use 0.25 to 0.50 parts by weight  with 100 parts of the Base polymer containing the platinum catalyst.


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