Research Catalog Compound with Phosphine Ligand CAS 4559-70-0 phosphine ligand RFQ

Sourcing & RFQ

Submit an RFQ to review pricing, availability, lead time, pack size, purity, COA, and supplier SDS for this catalog entry.

Available options

Available Options

Package: 25 g
Purity: Standard spec
Price: USD 60

Package: 100 g
Purity: Standard spec
Price: USD 90

Package: 500 g
Purity: Standard spec
Price: USD 260

Package: 1 kg
Purity: Standard spec
Price: USD 490

Package, purity, and pricing are reference observations for RFQ preparation. Final quote, availability, COA/SDS, and shipping documentation are confirmed before order acceptance.

Loading RDKit molecule structure...

InChIKey: ASUOLLHGALPRFK-UHFFFAOYSA-NC12H11OP | MW 202.19

Chemical Absolute Identifiers

CAS Number

4559-70-0

PubChem CID

254003

Molecular Formula

C12H11OP

Molecular Weight

202.19 g/mol

Exact Mass

202.05475

InChIKey

ASUOLLHGALPRFK-UHFFFAOYSA-N

IUPAC Name

phenylphosphonoylbenzene

SMILES String

O=P(C1=CC=CC=C1)C2=CC=CC=C2

Physical Properties

Appearance

Colorless to White to Off White Solid

Physical State

solid

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

Catalog Facts

Structural features

Research Catalog Compound with Phosphine Ligand (CAS 4559-70-0) is listed for phosphine ligand sourcing for catalyst or coordination screening.

Sourcing context

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

Research use context

Typical research procurement context: ligand-focused research workflows where steric and electronic fit are reviewed by the buyer, with buyer review before selection.

Documentation needs

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

Applications & Classification

Research intermediateCustom synthesis building blockCatalysts & ligands sourcingPhosphine ligand sourcingResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Handling & Storage

Avoid contact with skin and eyes.
Avoid dust and aerosol formation; provide suitable exhaust ventilation where dust may be generated.
Store tightly closed, dry, well ventilated, under inert atmosphere, at room temperature when specified by supplier SDS.

PPE

GlovesEye protectionLab coat

First Aid

If inhaled, move the person to fresh air and obtain medical advice when symptoms occur.
For skin contact, wash with soap and plenty of water.

Stability / Reactivity

Stable under recommended storage conditions when the supplier SDS indicates stability.
Avoid incompatible materials and conditions listed in the supplier SDS.

Disposal

Dispose of contents and containers through a licensed chemical waste contractor.
Treat contaminated packaging as unused product unless supplier documentation states otherwise.

Show additional safety reference fields

Fire Fighting

Use extinguishing media appropriate to the surrounding fire and supplier SDS instructions.
Firefighters should wear self-contained breathing apparatus when necessary.

Accidental Release

Use personal protective equipment and ensure adequate ventilation during cleanup.
Avoid dust formation and avoid breathing vapors, mist, gas, or dust.

Toxicological Reference

Toxicological properties may not be fully investigated; review supplier SDS before handling.
Supplier SDS hazard statement codes include H302, H315, H319, H335; confirm full wording in supplier documentation.

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

Diphenylphosphine oxide

Names & Synonyms

625-671-2(phenylphosphoroso)benzene

External Identifiers

RefChem:134696DTXCID00373403DTXSID60422562NSC-77604

Documentation & Compliance Facts

Compliance Facts

Signal word: Warning

Supplier SDS reference cue; confirm supplier documentation before use.

GHS pictograms

Hazard statements: H302, H315, H319, H335

Supplier SDS hazard code reference; confirm full text in supplier documentation.

Precautionary statements: P261, P305+P351, P338

Supplier SDS precautionary code reference; confirm full text in supplier documentation.

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

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

Text Reference Cues

Show non-linked catalog cues

Cross-selling keywords

Phosphine ligand sourcingRFQ documentation review

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

Catalog navigation

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

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RFQ questions for CAS 4559-70-0

Can I request a COA for CAS 4559-70-0?

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

Can I request supplier SDS for Diphenylphosphine oxide?

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

Is CAS 4559-70-0 available for quotation?

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

Can MolGraph support bulk sourcing or custom synthesis review?

Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.

Catalog Facts

Structural features

Research Catalog Compound with Phosphine Ligand (CAS 4559-70-0) is listed for phosphine ligand sourcing for catalyst or coordination screening.

Sourcing context

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

Research use context

Typical research procurement context: ligand-focused research workflows where steric and electronic fit are reviewed by the buyer, with buyer review before selection.

Documentation needs

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

Safety & Handling

Handling & Storage

Avoid contact with skin and eyes.
Avoid dust and aerosol formation; provide suitable exhaust ventilation where dust may be generated.
Store tightly closed, dry, well ventilated, under inert atmosphere, at room temperature when specified by supplier SDS.

PPE

GlovesEye protectionLab coat

First Aid

If inhaled, move the person to fresh air and obtain medical advice when symptoms occur.
For skin contact, wash with soap and plenty of water.

Stability / Reactivity

Stable under recommended storage conditions when the supplier SDS indicates stability.
Avoid incompatible materials and conditions listed in the supplier SDS.

Disposal

Dispose of contents and containers through a licensed chemical waste contractor.
Treat contaminated packaging as unused product unless supplier documentation states otherwise.

Show additional safety reference fields

Fire Fighting

Use extinguishing media appropriate to the surrounding fire and supplier SDS instructions.
Firefighters should wear self-contained breathing apparatus when necessary.

Accidental Release

Use personal protective equipment and ensure adequate ventilation during cleanup.
Avoid dust formation and avoid breathing vapors, mist, gas, or dust.

Toxicological Reference

Toxicological properties may not be fully investigated; review supplier SDS before handling.
Supplier SDS hazard statement codes include H302, H315, H319, H335; confirm full wording in supplier documentation.

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

Documentation & Compliance Facts

Compliance Facts

Signal word: Warning

Supplier SDS reference cue; confirm supplier documentation before use.

GHS pictograms

Hazard statements: H302, H315, H319, H335

Supplier SDS hazard code reference; confirm full text in supplier documentation.

Precautionary statements: P261, P305+P351, P338

Supplier SDS precautionary code reference; confirm full text in supplier documentation.

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

RFQ questions for CAS 4559-70-0

Can I request a COA for CAS 4559-70-0?

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

Can I request supplier SDS for Diphenylphosphine oxide?

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

Is CAS 4559-70-0 available for quotation?

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

Can MolGraph support bulk sourcing or custom synthesis review?

Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.

CAS 4559-70-0

Sourcing & RFQ

Available Options

Chemical Absolute Identifiers

Physical Properties

Catalog Facts

Applications & Classification

Safety & Handling

Handling & Storage

PPE

First Aid

Stability / Reactivity

Disposal

Fire Fighting

Accidental Release

Toxicological Reference

Related Catalog Entries

RFQ questions for CAS 4559-70-0

CAS 4559-70-0

Sourcing & RFQ

Available Options

Chemical Absolute Identifiers

Physical Properties

Catalog Facts

Applications & Classification

Safety & Handling

Handling & Storage

PPE

First Aid

Stability / Reactivity

Disposal

Fire Fighting

Accidental Release

Toxicological Reference

Related Catalog Entries

RFQ questions for CAS 4559-70-0