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Home/Compounds/CAS 1873-89-8
Formula C9H27O3Si4MW 295.65Research-use catalog entryCOA/SDS by request

1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)trisiloxane

CAS Number: 1873-89-8

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Available options

Available Options

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100 g
Purity
98%
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25 g
Purity
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5 g
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Loading RDKit molecule structure...
InChIKey: XAASNKQYFKTYTR-UHFFFAOYSA-NC9H27O3Si4 | MW 295.65

Chemical Absolute Identifiers

CAS Number

1873-89-8

PubChem CID

6365044

Molecular Formula

C9H27O3Si4

Molecular Weight

295.65 g/mol

Exact Mass

295.103726

InChIKey

XAASNKQYFKTYTR-UHFFFAOYSA-N

SMILES String

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

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

1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)trisiloxane (CAS 1873-89-8) is listed in the Advanced Chemicals portfolio, with molecular formula C9H27O3Si4 and molecular weight 295. 65 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

Safety and handling reference content is available through documentation requests.

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

1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)trisiloxane

Names & Synonyms

1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]trisiloxane1,1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)trisiloxanetris(trimethylsilyloxy)silanetris(trimethylsilyloxy)siliconTrisiloxane, 1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]-
Show all synonyms
1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]trisiloxaneC9H27O3Si4Tris(trimethylsiloxy)silane, >=98%
External Identifiers
EC NUMBER: 217-497-7DSSTOX SUBSTANCE ID: DTXSID00172039WIKIDATA ID: Q83042181

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

Show non-linked catalog cues

Non-public related references

HexadecamethylheptasiloxaneCAS 541-01-5
Tetrakis(dimethylsiloxy)silaneCAS 17082-47-2
Tris(trimethylsilyl) phosphateCAS 10497-05-9
Acetic acid, 2,2,2-trifluoro-, trimethylsilyl esterCAS 400-53-3
DiacetoxydimethylsilaneCAS 2182-66-3

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 1873-89-8

What are the key identifiers for 1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)trisiloxane (CAS 1873-89-8)?

1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)trisiloxane is identified by CAS 1873-89-8, with molecular formula C9H27O3Si4, molecular weight 295.65, InChIKey XAASNKQYFKTYTR-UHFFFAOYSA-N.

Can I request a COA for CAS 1873-89-8?

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

Can I request supplier SDS for 1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)trisiloxane?

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

Is CAS 1873-89-8 available for quotation?

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

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