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Home/Compounds/CAS 7688-25-7
Formula C28H28P2MW 426.5Research-use catalog entryCOA/SDS by request

1,4-Bis(diphenylphosphino)butane

CAS Number: 7688-25-7

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Available Options

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Loading RDKit molecule structure...
InChIKey: BCJVBDBJSMFBRW-UHFFFAOYSA-NC28H28P2 | MW 426.5

Chemical Absolute Identifiers

CAS Number

7688-25-7

PubChem CID

82124

Molecular Formula

C28H28P2

Molecular Weight

426.5 g/mol

Exact Mass

426.166625

InChIKey

BCJVBDBJSMFBRW-UHFFFAOYSA-N

IUPAC Name

4-diphenylphosphanylbutyl(diphenyl)phosphane

SMILES String

C1=CC=C(C=C1)P(CCCCP(C2=CC=CC=C2)C3=CC=CC=C3)C4=CC=CC=C4

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

1,4-Bis(diphenylphosphino)butane (CAS 7688-25-7) is listed in the Advanced Chemicals portfolio, with molecular formula C28H28P2 and molecular weight 426. 50 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

Synthetic 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 and reaction.
  • Carbon monoxide, carbon dioxide, phosphorus oxide.

Disposal

  • The product Remaining and non-recyclable solutions should be handed over to a licensed company for disposal.
  • Contact a professional organization 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

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Names & Synonyms / External Identifiers

Chemical Name

1,4-Bis(diphenylphosphino)butane

Names & Synonyms

Tetramethylenebis(diphenylphosphine)1,4-BUTYLENEBIS(DIPHENYLPHOSPHINE)Butane-1,4-diylbis(diphenylphosphine)1,4-BUTANEDIYLBIS(DIPHENYLPHOSPHINE)1,4-BUTANEDIYLBIS[DIPHENYLPHOSPHINE]
Show all synonyms
Phosphine, 1,1'-(1,4-butanediyl)bis(1,1-diphenyl-BUTANE-1,4-DIYLBIS[DIPHENYLPHOSPHINE]Phosphine, 1,1'-(1,4-butanediyl)bis[1,1-diphenyl-Butane1,4diylbis(diphenylphosphine)Phosphine, 1,1'(1,4butanediyl)bis(1,1diphenyldppbPhosphine, 1,4-butanediylbis[diphenyl-[4-(diphenylphosphanyl)butyl]diphenylphosphane1,4-Bis(diphenylphosphino)butane (DPPB)1,4-bis-(diphenylphosphino)butanePhosphine, 1,4-butanediylbis(diphenyl-DPPB [MI]4-di(phenyl)phosphanylbutyl-di(phenyl)phosphane1,4-bisdiphenylphosphinobutane
External Identifiers
EC NUMBER: 231-698-7DSSTOX SUBSTANCE ID: DTXSID4064769CHEMBL ID: CHEMBL71648UNII: 35HP6LTD2DWIKIDATA ID: Q27256466
Experimental Spectrum References
13C NMR Spectra1D NMR Spectra1H NMR Spectra31P NMR SpectraATR-IR Spectra — Bio-Rad Laboratories, Inc.FTIR SpectraRaman Spectra — Bio-Rad Laboratories
Literature & Patent References
DOI 10.1021/jm00395a004Antitumor activity of bis(diphenylphosphino)alkanes, their gold(I) coordination complexes, and related compounds.PMID 3681888Antitumor activity of bis(diphenylphosphino)alkanes, their gold(I) coordination complexes, and related compounds.

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

1,3-Bis(diphenylphosphino)propaneCAS 6737-42-4
1,2-Bis(diphenylphosphino)ethaneCAS 1663-45-2
1,2-Bis(diphenylphosphino)benzeneCAS 13991-08-7
Phosphine, cyclohexyldiphenyl-CAS 6372-42-5
Bis[2-(diphenylphosphino)phenyl] etherCAS 166330-10-5

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 6737-42-41,3-Bis(diphenylphosphino)propaneCAS 1663-45-21,2-Bis(diphenylphosphino)ethaneCAS 110-52-11,4-DibromobutaneCAS 1079-66-9ChlorodiphenylphosphineCAS 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 7688-25-7

What are the key identifiers for 1,4-Bis(diphenylphosphino)butane (CAS 7688-25-7)?

1,4-Bis(diphenylphosphino)butane is identified by CAS 7688-25-7, with molecular formula C28H28P2, molecular weight 426.5, InChIKey BCJVBDBJSMFBRW-UHFFFAOYSA-N.

Can I request a COA for CAS 7688-25-7?

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

Can I request supplier SDS for 1,4-Bis(diphenylphosphino)butane?

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

Is CAS 7688-25-7 available for quotation?

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