Research chemical
CAS Number: 4731-65-1
Product details
For laboratory research and professional procurement workflows.
PubChem CID
78464
Exact Mass
352.12283
InChIKey
IIOSDXGZLBPOHD-UHFFFAOYSA-N
IUPAC Name
tris(2-methoxyphenyl)phosphane
SMILES String
COC1=CC=CC=C1P(C2=CC=CC=C2OC)C3=CC=CC=C3OC
Appearance
Tris(2-methoxyphenyl)phosphine is identified by CAS 4731-65-1, with molecular formula C21H21O3P, molecular weight 352.36, InChIKey IIOSDXGZLBPOHD-UHFFFAOYSA-N.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.
Availability, pack size, lead time, and pricing are confirmed through RFQ.
Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.
Form: Crystal - Powder / Colour: White - Very pale yellow
Physical State
Crystal - Powder /
XLogP
4.5
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Heavy atom count
25
H-bond acceptors
3
H-bond donors
0
Rotatable bonds
6
Ring count
3
Aromatic rings
3
Topological polar surface area
27.69 Ų
Computed LogP
3.47
Fragment-like structure rule
No
Lead-like structure rule
No
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.
Structural features
Research Catalog Compound - Phosphine Ligand (CAS 4731-65-1) 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.
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 RequestShipment review: Required
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
Non-public references are shown as text only and do not imply equivalence, availability, or shared use.