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Home/Compounds/CAS 18666-65-4
Formula C20H18O3SiMW 334.4Research-use catalog entryCOA/SDS by request

Triphenoxyvinylsilane

CAS Number: 18666-65-4

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Available Options

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Loading RDKit molecule structure...
InChIKey: FEHYCIQPPPQNMI-UHFFFAOYSA-NC20H18O3Si | MW 334.4

Chemical Absolute Identifiers

CAS Number

18666-65-4

PubChem CID

87746

Molecular Formula

C20H18O3Si

Molecular Weight

334.4 g/mol

Exact Mass

334.102521

InChIKey

FEHYCIQPPPQNMI-UHFFFAOYSA-N

IUPAC Name

ethenyl(triphenoxy)silane

SMILES String

C=C[Si](OC1=CC=CC=C1)(OC2=CC=CC=C2)OC3=CC=CC=C3

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Triphenoxyvinylsilane (CAS 18666-65-4) is listed in the Advanced Chemicals portfolio, with molecular formula C20H18O3Si and molecular weight 334. 40 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Organometallic ChemistrySynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Handling & Storage

  • Keep container tightly closed and dry.
  • Store in a well-ventilated place.

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity.
  • Carbon monoxide, carbon dioxide, silicon oxides.

Disposal

  • Waste product: Dispose of remaining and non-recyclable solutions to a licensed company.
  • Contact a professional agency with waste disposal license to handle this substance.
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Fire Fighting

  • If necessary, wear a self-contained breathing apparatus for firefighting.

Accidental Release

  • Do not generate dust when collecting and disposing.
  • Sweep and shovel up.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

Triphenoxyvinylsilane

Names & Synonyms

VinyltriphenoxysilaneBenzene, 1,1',1''-((ethenylsilylidyne)tris(oxy))tris-1,1',1''-((ETHENYLSILYLIDYNE)TRIS(OXY))TRIS(BENZENE)1,1',1''-[(Ethenylsilylidyne)tris(oxy)]tris[benzene]Benzene, 1,1',1''-[(ethenylsilylidyne)tris(oxy)]tris-
Show all synonyms
Triphenoxy(vinyl)silaneSilane, ethenyltriphenoxy-C20H18O3SiethenyltriphenoxysilaneVinyl triphenoxy silaneEthenyltri(phenoxy)silaneTriphenoxy(vinyl)silane #
External Identifiers
EC NUMBER: 242-486-9DSSTOX SUBSTANCE ID: DTXSID3066396UNII: PTH8CL2F4PWIKIDATA ID: Q72514682
Experimental Spectrum References
13C NMR Spectra

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

TrimethylphenoxysilaneCAS 1529-17-5
MethyltriphenoxysilaneCAS 3439-97-2
1,3-Diethenyl-1,1,3,3-tetraphenyldisiloxaneCAS 18769-05-6
VinyldimethylphenylsilaneCAS 1125-26-4
DiphenyldiallylsilaneCAS 10519-88-7

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 1529-17-5TrimethylphenoxysilaneCAS 3439-97-2MethyltriphenoxysilaneCAS 18769-05-61,3-Diethenyl-1,1,3,3-tetraphenyldisiloxaneCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 18666-65-4

What are the key identifiers for Triphenoxyvinylsilane (CAS 18666-65-4)?

Triphenoxyvinylsilane is identified by CAS 18666-65-4, with molecular formula C20H18O3Si, molecular weight 334.4, InChIKey FEHYCIQPPPQNMI-UHFFFAOYSA-N.

Can I request a COA for CAS 18666-65-4?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Triphenoxyvinylsilane?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 18666-65-4 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

Can MolGraph support bulk sourcing or custom synthesis review?

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