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Home/Compounds/CAS 107-51-7
Formula C8H24O2Si3MW 236.53Research-use catalog entryCOA/SDS by request

Octamethyltrisiloxane

CAS Number: 107-51-7

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Available options

Available Options

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Purity
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Loading RDKit molecule structure...
InChIKey: CXQXSVUQTKDNFP-UHFFFAOYSA-NC8H24O2Si3 | MW 236.53

Chemical Absolute Identifiers

CAS Number

107-51-7

PubChem CID

24705

Molecular Formula

C8H24O2Si3

Molecular Weight

236.53 g/mol

Exact Mass

236.10841

InChIKey

CXQXSVUQTKDNFP-UHFFFAOYSA-N

IUPAC Name

dimethyl-bis(trimethylsilyloxy)silane

SMILES String

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

Physical Properties

No physical property values available.

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Vapor Pressure

Estimated value, unit not specified

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

Catalog Facts

Structural features

Octamethyltrisiloxane (CAS 107-51-7) is listed in the Advanced Chemicals portfolio, with molecular formula C8H24O2Si3 and molecular weight 236. 53 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

Organic Building BlocksSynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

First Aid

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Fire Fighting

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

Accidental Release

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

Preliminary Safety Reference

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Names & Synonyms / External Identifiers

Chemical Name

Octamethyltrisiloxane

Names & Synonyms

Trisiloxane, octamethyl-1,1,1,3,3,5,5,5-OctamethyltrisiloxanePentamethyl(trimethylsilyloxy)disiloxaneDimethylbis(trimethylsiloxy)silanePentamethyl(trimethylsiloxy)disiloxane
Show all synonyms
Dimethicone 350Silicone oil PMX-200Trisiloxane, 1,1,1,3,3,5,5,5-octamethyl-CCRIS 3198C8H24O2Si3Dimeticone CRSMethylsilicone oiloctamethyl-trisiloxaneDimethylsilicone oil,Hexamethyloxy disilanedimethicone macromoleculeEC 203-497-4TRISILOXANE, OCTAMETHYLDow Corning High-Vacuum Grease
External Identifiers
EC NUMBER: 203-497-4DSSTOX SUBSTANCE ID: DTXSID9040710CHEMBL ID: CHEMBL2142985CHEBI ID: CHEBI:9147UNII: 9G1ZW13R0GKEGG ID: C07261METABOLOMICS WORKBENCH ID: 67691NCI THESAURUS CODE: C83674RXCUI: 1363569WIKIDATA ID: Q2013799
Experimental Spectrum References
13C NMR Spectra1D NMR Spectra1H NMR SpectraATR-IR Spectra — Forensic Spectral ResearchFTIR SpectraRaman SpectraVapor Phase IR Spectra — Sigma-Aldrich Co. LLC.

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

Trisiloxane, 1,5-diethenyl-3,3-bis[(ethenyldimethylsilyl)oxy]-1,1,5,5-tetramethyl-CAS 60111-54-8

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 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 107-51-7

What are the key identifiers for Octamethyltrisiloxane (CAS 107-51-7)?

Octamethyltrisiloxane is identified by CAS 107-51-7, with molecular formula C8H24O2Si3, molecular weight 236.53, InChIKey CXQXSVUQTKDNFP-UHFFFAOYSA-N.

Can I request a COA for CAS 107-51-7?

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

Can I request supplier SDS for Octamethyltrisiloxane?

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

Is CAS 107-51-7 available for quotation?

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

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