Research chemical
Potassium 4,4'-(phenylphosphinediyl)dibenzenesulfonate
CAS Number: 151888-20-9
Structure image is unavailable.
CAS 151888-20-9 may require curated coordinates.
Product details
Identity & specification
- Molecular formula
- C18H13K2O6PS2
- Molecular weight
- 498.59 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
Not available
Exact Mass
497.91653
InChIKey
Not available
SMILES String
O=S(C1=CC=C(P(C2=CC=C(S(=O)([O-])=O)C=C2)C3=CC=CC=C3)C=C1)([O-])=O.[K+].[K+]
Physical Properties
Appearance
Powder or crystals
Physical State
powder or crystals or crystal
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
29
H-bond acceptors
6
H-bond donors
0
Rotatable bonds
5
Ring count
3
Aromatic rings
3
Topological polar surface area
114.4 Ų
Computed LogP
-4.74
Fragment-like structure rule
No
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 151888-20-9) 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
Safety & Handling
Safety and handling reference content is available through documentation requests.
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 RequestProcurement questions
What are the key identifiers for Potassium 4,4'-(phenylphosphinediyl)dibenzenesulfonate (CAS 151888-20-9)?
Potassium 4,4'-(phenylphosphinediyl)dibenzenesulfonate is identified by CAS 151888-20-9, with molecular formula C18H13K2O6PS2, molecular weight 498.59.
Can I request a COA for CAS 151888-20-9?
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
Can I request supplier SDS for Potassium 4,4'-(phenylphosphinediyl)dibenzenesulfonate?
Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.
Is CAS 151888-20-9 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.