Xantphos - ≥98% , CAS No.161265-03-8

CAS: 161265-03-8 Cat. No.: X111327 Molecular Weight: 578.62 EC Number: 605-249-4 PubChem CID: 636044
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
4,5-Bis(diphenylphospheno)-9,9-dimethyl xanthene | dimethyl bisdiphenylphosphinoxanthene | 4,5-Bis(diphenylphosphino)-9,9-dimethyl xanthene | Phosphine, 1,1'-(9,9-dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenyl- | [5-(diphenylphosphanyl)-9,9-dimethyl-9H-xa
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
X111327-1g
≥10

$9.90

$14.90
Save $5.00 (33.56%)
5g
X111327-5g
5

$11.90

$17.90
Save $6.00 (33.52%)
10g
X111327-10g
2

$14.90

$22.90
Save $8.00 (34.93%)
25g
X111327-25g
≥10

$35.90

$53.90
Save $18.00 (33.40%)
100g
X111327-100g
2

$82.90

$124.90
Save $42.00 (33.63%)
500g
X111327-500g
1

$376.90

$565.90
Save $189.00 (33.40%)
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Xantphos is a bidentate ligand that is employed in various metal-catalyzed reactions, including cross-couplings, Buchwald-Hartwig cross-coupling reactions, C-X bond formation, hydroformylation, Miyaura borylation reaction, Stille coupling, Suzuki-Miyaura coupling, (hetero)arylation, amination, and amidation.
Application
Ligand used in a synthesis of heterocycles by palladium-catalyzed C-N cross coupling of 3-bromothiophenes with 2-aminopyridines. Also used in a ruthenium-catalyzed alkylation of active methylene compounds with alcohols. 
Metal chelating ligand for catalysis.

Specifications

Synonyms
4, 5-Bis(diphenylphospheno)-9, 9-dimethyl xanthene | dimethyl bisdiphenylphosphinoxanthene | 4, 5-Bis(diphenylphosphino)-9, 9-dimethyl xanthene | Phosphine, 1, 1'-(9, 9-dimethyl-9H-xanthene-4, 5-diyl)bis[1, 1-diphenyl- | [5-(diphenylphosphanyl)-9, 9-dimethyl-9H-xa
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488190834
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488190834
Canonical SmilesCC1(C2=C(C(=CC=C2)P(C3=CC=CC=C3)C4=CC=CC=C4)OC5=C1C=CC=C5P(C6=CC=CC=C6)C7=CC=CC=C7)C
IUPAC Name(5-diphenylphosphanyl-9,9-dimethylxanthen-4-yl)-diphenylphosphane
InChIKeyCXNIUSPIQKWYAI-UHFFFAOYSA-N
INCHI1S/C39H32OP2/c1-39(2)33-25-15-27-35(41(29-17-7-3-8-18-29)30-19-9-4-10-20-30)37(33)40-38-34(39)26-16-28-36(38)42(31-21-11-5-12-22-31)32-23-13-6-14-24-32/h3-28H,1-2H3
Isomeric SMILES CC1(C2=C(C(=CC=C2)P(C3=CC=CC=C3)C4=CC=CC=C4)OC5=C1C=CC=C5P(C6=CC=CC=C6)C7=CC=CC=C7)C
WGK Germany 3
PubChem CID 636044
Molecular Weight 578.62
Reaxy-Rn 7085968

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassPhenylphosphines and derivatives
Intermediate Tree Nodes Not available
Direct ParentPhenylphosphines and derivatives
Alternative Parents Xanthenes  Diarylethers  Organic phosphines and derivatives  Oxacyclic compounds  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Triphenylphosphine - Dibenzopyran - Xanthene - Diaryl ether - Benzopyran - 1-benzopyran - Phenylphosphine - Phosphine - Ether - Oxacycle - Organoheterocyclic compound - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Organophosphorus compound - Organopnictogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phenylphosphines and derivatives. These are compounds containing a phenylphosphine, which consists of phosphine substituent bound to a phenyl group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

40 results found

Lot NumberCertificate TypeDateItem
J2210644Certificate of AnalysisMay 20, 2026 X111327
D2428580Certificate of AnalysisFeb 26, 2026 X111327
D2428581Certificate of AnalysisFeb 26, 2026 X111327
I2528505Certificate of AnalysisSep 20, 2025 X111327
I2528517Certificate of AnalysisSep 20, 2025 X111327
I2528518Certificate of AnalysisSep 20, 2025 X111327
I2528519Certificate of AnalysisSep 20, 2025 X111327
H2507724Certificate of AnalysisJul 19, 2025 X111327
H2507723Certificate of AnalysisJul 19, 2025 X111327
H2507725Certificate of AnalysisJul 19, 2025 X111327
G2305911Certificate of AnalysisApr 02, 2025 X111327
G23051381Certificate of AnalysisApr 02, 2025 X111327
G23051380Certificate of AnalysisApr 02, 2025 X111327
E2306238Certificate of AnalysisFeb 07, 2025 X111327
E2306240Certificate of AnalysisFeb 07, 2025 X111327
E2306229Certificate of AnalysisFeb 07, 2025 X111327
E2306215Certificate of AnalysisFeb 07, 2025 X111327
E2306146Certificate of AnalysisFeb 07, 2025 X111327
G2510109Certificate of AnalysisNov 28, 2024 X111327
L2405556Certificate of AnalysisNov 28, 2024 X111327
L2405558Certificate of AnalysisNov 28, 2024 X111327
L2405560Certificate of AnalysisNov 28, 2024 X111327
L2405561Certificate of AnalysisNov 28, 2024 X111327
J2211314Certificate of AnalysisJul 09, 2024 X111327
J2211313Certificate of AnalysisJul 09, 2024 X111327
J2211312Certificate of AnalysisJul 09, 2024 X111327
G2412216Certificate of AnalysisMar 21, 2024 X111327
A2429462Certificate of AnalysisJan 08, 2024 X111327
A2429463Certificate of AnalysisJan 08, 2024 X111327
A2429464Certificate of AnalysisJan 08, 2024 X111327
B1807136Certificate of AnalysisSep 05, 2023 X111327
B1807137Certificate of AnalysisSep 05, 2023 X111327
I2109098Certificate of AnalysisJun 13, 2023 X111327
G23051378Certificate of AnalysisJun 05, 2023 X111327
G2324212Certificate of AnalysisJun 05, 2023 X111327
J1519038Certificate of AnalysisMay 11, 2023 X111327
J1921050Certificate of AnalysisMay 11, 2023 X111327
G1911015Certificate of AnalysisFeb 03, 2023 X111327
E2306184Certificate of AnalysisJan 06, 2023 X111327
K2018109Certificate of AnalysisSep 19, 2022 X111327

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Chemical and Physical Properties
SolubilitySoluble in organic solvents
Melt Point(°C)226-230°C
Molecular Weight578.600 g/mol
XLogP39.700
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count6
Exact Mass578.193 Da
Monoisotopic Mass578.193 Da
Topological Polar Surface Area9.200 Ų
Heavy Atom Count42
Formal Charge0
Complexity731.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
References
1. Xiaoyuan Ma, Kunlong Yang, Jingchao Wang, Siyi Li, Tianyong Zhang, Shuang Jiang, Bin Li.  (2021)  Novel bioinspired diiron core complexes with rigid chelating diphosphine ligands for highly efficient catalytic phenol hydroxylation.  Molecular Catalysis,      [PMID:] [10.1016/j.mcat.2021.112088]
2. Jian Chen, Kai Chen, Baichuan Han, Yunting Xue, Wanjuan Chen, Zhenzhong Gao, Xianfeng Hou.  (2020)  A novel single-fluorophore-based ratiometric fluorescent probe for detection of formaldehyde in air.  TETRAHEDRON,      [PMID:] [10.1016/j.tet.2020.131681]
3. Linfeng Zhang, Changpo Ma, Chenyu Wang, Guangyu Sun, Yongqi Shu, Wenya Zou, Tao Yang, Weiran Yang.  (2022)  Direct conversion of glyceric acid to succinic acid by reductive carbonylation.  GREEN CHEMISTRY,  24  (19): (7644-7651).  [PMID:] [10.1039/D2GC02594A]
Solution Calculators
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