1,3-Diethenyl-1,1,3,3-tetramethyldisiloxane

Product Information

Molecular Formula:
C8H18OSi2
Molecular Weight:
186.4
Description
Tetramethyldivinyl disiloxane is an organic compound with the chemical formula C8H18OSi2 and the appearance of a colorless transparent liquid.
Synonyms
LABOTEST-BB LT00067562; DIVINYLTETRAMETHYLDISILOXANE; 1,1,3,3-TETRAMETHYL-1,3-DIVINYLDISILOXANE; 1,3-diethenyl-1,1,3,3-tetramethyl-disiloxane; 1,3-DIVINYL-1,1,3,3-TETRAMETHYLDISILOXANE; 1,3-DIVINYLTETRAMETHYLDISILOXANE; TETRAMETHYL-1,3-DIVINYLDISILOXANE; 1,1,3,
IUPAC Name
ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane
Canonical SMILES
C[Si](C)(C=C)O[Si](C)(C)C=C
InChI
InChI=1S/C8H18OSi2/c1-7-10(3,4)9-11(5,6)8-2/h7-8H,1-2H2,3-6H3
InChI Key
BITPLIXHRASDQB-UHFFFAOYSA-N
Boiling Point
139 °C (lit.)
Melting Point
−99 °C (lit.)
Flash Point
76 °CF
Purity
>97.0%(GC)
Density
0.813
Appearance
Colorless or yellowish transparent liquid
Application
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 139c, it is easily volatilized during curing. A suggested starting formulation is to use 0.25 to 0.50 parts by weight of USi-O6214 with 100 parts of the Base polymer containing the platinum catalyst.
Storage
Flammables area
Refractive Index
n20/D 1.411 (lit.)
Stability
Stable under normal shipping and handling conditions.
LogP
2.86360
Vapor Pressure
7.744mmHg at 25°C

Safety Information

Hazards
H225 H315 H319 H335
Precautionary Statement
P210 P261 P305+P351+P338

Computed Properties

Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
1
Rotatable Bond Count
4
Exact Mass
186.08961826 g/mol
Monoisotopic Mass
186.08961826 g/mol
Topological Polar Surface Area
9.2Ų
Heavy Atom Count
11
Formal Charge
0
Complexity
144
Isotope Atom Count
0
Defined Atom Stereocenter Count
0
Undefined Atom Stereocenter Count
0
Defined Bond Stereocenter Count
0
Undefined Bond Stereocenter Count
0
Covalently-Bonded Unit Count
1
Compound Is Canonicalized
Yes

Patents

Publication Number Title Priority Date
CN-114163656-A Silicone rubber emulsion, skin-feel emulsion type fabric coating agent and preparation method thereof 2021-12-16
CN-114160204-A Supported platinum catalyst and preparation method thereof 2021-12-08
CN-114181535-A Curable organopolysiloxane composition and preparation method thereof 2021-12-08
CN-113980320-A High-breathability grid release film and production process thereof 2021-11-28
CN-113999531-A Mold glue and preparation method thereof 2021-11-19
CN-114106565-A Hydrophilic antibacterial silicone rubber and preparation method and application thereof 2021-11-19
JP-2022010421-A Polyorganosiloxane, polyorganosiloxane composition, and cured products thereof 2021-11-19
CN-113881053-A Preparation method and application of polysiloxane copolymer with hydrophilicity and water washing resistance 2021-10-29
CN-114015354-A Water-based organic silicon long-acting protective coating and preparation method and application thereof 2021-10-28
CN-113896892-A Method for continuously producing polysiloxane 2021-09-22

Literatures

PMID Publication Date Title Journal
19191237 2009-01-01 Palladium-catalyzed cyclopropanation of alkenyl silanes by diazoalkanes: evidence for a Pd(0) mechanism Chemistry (Weinheim an der Bergstrasse, Germany)
18572620 2008-04-01 Size-controlled synthesis and NMR characterization of mesitylene-vinylsiloxanes stabilized Pt nanoparticles in solution Journal of nanoscience and nanotechnology
18303892 2008-03-19 Vinylation of aromatic halides using inexpensive organosilicon reagents. Illustration of design of experiment protocols Journal of the American Chemical Society
The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Related Products

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