Research chemical

2-(Di-tert-Butylphosphino)biphenyl , JohnPhos

CAS Number: 224311-51-7

Chemical structure
2-(Di-tert-Butylphosphino)biphenyl , JohnPhos molecular structure, CAS 224311-51-7

Product details

Identity & specification

Molecular formula
C20H27P
Molecular weight
298.4 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

2734215

Exact Mass

298.18503

InChIKey

CNXMDTWQWLGCPE-UHFFFAOYSA-N

IUPAC Name

ditert-butyl-(2-phenylphenyl)phosphane

SMILES String

CC(C)(C)P(C1=CC=CC=C1C1=CC=CC=C1)C(C)(C)C

Physical Properties

Appearance

Form: Crystal - Powder

Physical State

Crystal - Powder

Show more physical data

XLogP

5.1

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

21

H-bond acceptors

0

H-bond donors

0

Rotatable bonds

2

Ring count

2

Aromatic rings

2

Topological polar surface area

0 Ų

Computed LogP

6.06

Fragment-like structure rule

Yes

Lead-like structure rule

No

Drug-like structure rule

No

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 224311-51-7) 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

  • Including any incompatibility.
  • Close tightly.
  • Store in a well-ventilated area.

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

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

Procurement questions

What are the key identifiers for 2-(Di-tert-Butylphosphino)biphenyl , JohnPhos (CAS 224311-51-7)?

2-(Di-tert-Butylphosphino)biphenyl , JohnPhos is identified by CAS 224311-51-7, with molecular formula C20H27P, molecular weight 298.4, InChIKey CNXMDTWQWLGCPE-UHFFFAOYSA-N.

Can I request a COA for CAS 224311-51-7?

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

Can I request supplier SDS for 2-(Di-tert-Butylphosphino)biphenyl , JohnPhos?

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

Is CAS 224311-51-7 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.