Research chemical

2-(Diphenylphosphino)benzoic acid

CAS Number: 17261-28-8

Chemical structure
2-(Diphenylphosphino)benzoic acid molecular structure, CAS 17261-28-8

Product details

Identity & specification

Molecular formula
C19H15O2P
Molecular weight
306.3 g/mol
Product type
Research-use catalog compound
Documentation
COA / SDS available by request

For laboratory research and professional procurement workflows.

Technical identifiers

Show PubChem, InChIKey, IUPAC, and SMILES

PubChem CID

87021

Exact Mass

306.08096

InChIKey

UYRPRYSDOVYCOU-UHFFFAOYSA-N

IUPAC Name

2-diphenylphosphanylbenzoic acid

SMILES String

O=C(O)C1=CC=CC=C1P(C2=CC=CC=C2)C3=CC=CC=C3

Physical Properties

Appearance

White to yellow powder or crystals

Physical State

powder or crystals or crystal

Show more physical data

XLogP

4.1

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

Computed Structure Descriptors

Show calculated structure fields

Heavy atom count

22

H-bond acceptors

2

H-bond donors

1

Rotatable bonds

4

Ring count

3

Aromatic rings

3

Topological polar surface area

37.3 Ų

Computed LogP

3.14

Fragment-like structure rule

No

Lead-like structure rule

Yes

Drug-like structure rule

Yes

Structure family

phosphine ligand

Precious metal motif

No

Transition metal motif

No

Phosphine ligand motif

Yes

N-heterocycle motif

No

Boronic acid motif

No

Computed structure descriptors generated from molecular structure. These are not experimental physical property values, supplier specifications, SDS data, or bioactivity claims.

Catalog Facts

Structural features

Research Catalog Compound with Phosphine Ligand (CAS 17261-28-8) 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

Preliminary handling notes only; confirm supplier SDS before handling. Review storage, transport, and documentation requirements internally before order acceptance.

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

  • Keep container tightly closed and dry.
  • Store in a well-ventilated place.
  • Avoid contact with skin and eyes.

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity and reaction stability.
  • Carbon monoxide, carbon dioxide, phosphorus oxide.

Disposal

  • The product and remaining solutions should be handed over to a licensed company for disposal.
  • Contact a professional agency with a waste disposal license to handle this substance.
Show additional safety reference fields

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

Procurement questions

What are the key identifiers for 2-(Diphenylphosphino)benzoic acid (CAS 17261-28-8)?

2-(Diphenylphosphino)benzoic acid is identified by CAS 17261-28-8, with molecular formula C19H15O2P, molecular weight 306.3, InChIKey UYRPRYSDOVYCOU-UHFFFAOYSA-N.

Can I request a COA for CAS 17261-28-8?

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

Can I request supplier SDS for 2-(Diphenylphosphino)benzoic acid?

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

Is CAS 17261-28-8 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.