2-(Di-tert-Butylphosphino)biphenyl , JohnPhos
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
224311-51-7
Chemical name
2-(Di-tert-Butylphosphino)biphenyl , JohnPhos
Molecular formula
C20H27P
Molecular weight
298.4 g/mol
Synonyms
2-(Di-tert-butylphosphino)biphenyl; Johnphos phosphine ligand [MI]; di(tert-butyl)(1,1'-biphenyl-2-yl)phosphine; 5Y743P380H; (1,1'-Biphenyl)-2-ylbis(1,1-dimethylethyl)phosphine; Buchwald phosphine ligands, johnphos phosphine ligand-
InChIKey
CNXMDTWQWLGCPE-UHFFFAOYSA-N
PubChem CID
2734215
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
GHS Pictograms
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H315, H319, H413
Catalog reference cue; confirm supplier documentation before use.
Appearance
Form: Crystal - Powder
Catalog reference value; verify against supplier SDS before use.
Physical State
Crystal - Powder
Catalog reference value; verify against supplier SDS before use.
GHS Pictograms
Preliminary catalog cue; verify before compliance decisions.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.