CAS 2627-95-4 1,3-Divinyltetramethyldisiloxane

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1,3-Divinyltetramethyldisiloxane

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Catalog Number

ACM2627954-4

CAS Number

2627-95-4

Product Name

1,3-Divinyltetramethyldisiloxane

Structure

Category

Salt; POSS Nanohybrid Materials; Monomers

Synonyms

1,1,3,3-Tetramethyl-1,3-divinyldisiloxane

Description

Liquid

IUPAC Name

ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane

Molecular Weight

186.40

Molecular Formula

[H2C=CHSi(CH3)2]2O

Canonical SMILES

C[Si](C)(O[Si](C)(C)C=C)C=C

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

19 °C

Purity

≥ 97%

Density

0.809 g/mL at 25 °C (lit.)

Solubility

Insoluble in water.Soluble in Methanol.

Appearance

Colorless to almost colorless clear liquid

Application

13-Divinyltetramethyldisiloxane serves multiple roles in chemical reactions and production processes Primarily it is an intermediate used in the formulation of various silicone-based products such as addition silicone rubber silicone gel liquid silicone vinyl silicone resin and vinyl silicone oil Furthermore it is valuable in advanced synthetic reactions acting as a potential vinyl donor in cross-coupling reactions and participating in copolymerization with aromatic ketones As a diolefin ligand it forms complexes with d10-metal centers exhibiting a unique ability to transition from a π–π-bridging function to a chelating role in ligand exchange reactions to create stable six-membered cycles These properties not only facilitate the production of essential industrial materials but also contribute to the development of innovative applications such as serving as a precursor for thin copper films through thermal disproportionation

Storage

Moisture Sensitive

Assay

97%

Complexity

144

Covalently-Bonded Unit Count

EC Number

220-099-6

Exact Mass

186.089618g/mol

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Formal Charge

Hazard Statements

H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
H226 : Flammable liquid and vapour.

Heavy Atom Count

MDL Number

MFCD00014933

Monoisotopic Mass

186.089618g/mol

Packaging

10 g; 100 g;

Precautionary Statements

P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.

Properties

Liquid

Refractive Index

n20/D 1.411 (lit.)

Rotatable Bond Count

Signal Word

Warning

Specific Gravity

0.81

UNII

SJ4D71ZQF4

MSDS