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Home/Compounds/CAS 78-50-2
Formula C24H51OPMW 386.6Research-use catalog entryCOA/SDS by request

Trioctylphosphine oxide

CAS Number: 78-50-2

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Loading RDKit molecule structure...
InChIKey: ZMBHCYHQLYEYDV-UHFFFAOYSA-NC24H51OP | MW 386.6

Chemical Absolute Identifiers

CAS Number

78-50-2

PubChem CID

65577

Molecular Formula

C24H51OP

Molecular Weight

386.6 g/mol

Exact Mass

386.367753

InChIKey

ZMBHCYHQLYEYDV-UHFFFAOYSA-N

IUPAC Name

1-dioctylphosphoryloctane

SMILES String

CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC

Physical Properties

Melting Point

52.0 °C

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

Catalog Facts

Structural features

Trioctylphosphine oxide (CAS 78-50-2) is listed in the Catalysts and Ligands portfolio, with molecular formula C24H51OP and molecular weight 386. 60 g/mol.

Sourcing context

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

Research use context

Intended for catalysis development, ligand screening, and synthetic method research; structure-derived tags include phosphine-ligand motif.

Documentation needs

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

Applications & Classification

Asymmetric SynthesisCatalysis and Ligand ResearchLigand ResearchResearch 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

  • and reactivity.
  • Carbon monoxide, carbon dioxide, phosphorus oxide.

Disposal

  • Dispose of remaining and non-recyclable solutions to a licensed company.
  • Contact a professional agency with a 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

Trioctylphosphine oxide

Names & Synonyms

Tri-n-octylphosphine oxideTOPOPhosphine oxide, trioctyl-Cyanex 921Hostarex PX 324
Show all synonyms
Trioctyl phosphine oxide1-(dioctylphosphoryl)octanetri-n-octylphosphineoxideEC 201-121-3(OCT)3POTrioctyl(oxo)-lambda~5~-phosphaneTrioctylphosphine oxide, Selectophore(TM)
External Identifiers
EC NUMBER: 201-121-3DSSTOX SUBSTANCE ID: DTXSID1052537UNII: EXU8U2AM5AHMDB ID: HMDB0259253WIKIDATA ID: Q138673trioctylphosphino-1-one
Experimental Spectrum References
13C NMR Spectra1H NMR Spectra31P NMR SpectraATR-IR SpectraFTIR SpectraVapor Phase IR 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

TrihexylphosphineCAS 4168-73-4
Trihexyltetradecylphosphonium chlorideCAS 258864-54-9
Trihexyltetradecylphosphonium bromideCAS 654057-97-3
Trihexyltetradecylphosphonium decanoateCAS 465527-65-5
Phosphonium, tetrabutyl-, iodide (1:1)CAS 3115-66-0

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 78-50-2

What are the key identifiers for Trioctylphosphine oxide (CAS 78-50-2)?

Trioctylphosphine oxide is identified by CAS 78-50-2, with molecular formula C24H51OP, molecular weight 386.6, InChIKey ZMBHCYHQLYEYDV-UHFFFAOYSA-N.

Can I request a COA for CAS 78-50-2?

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

Can I request supplier SDS for Trioctylphosphine oxide?

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

Is CAS 78-50-2 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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