2-(Diphenylphosphino)benzoic acid - ≥97% , CAS No.17261-28-8

CAS: 17261-28-8 Cat. No.: D102802 Molecular Weight: 306.3 EC Number: 241-293-7
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
F10199 | Oprea1_749310 | SCHEMBL989596 | W-110451 | SY009857 | Oprea1_544637 | 2-(Diphenylphosphino)benzoic acid # | 2-(diphenylphosphanyl)benzoic acid | 2-diphenylphosphanylbenzoic acid | 2-Diphenylphosphanyl-benzoic acid | BCP18923 | EN300-225991 | UNII
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
D102802-1g
3
$9.90
5g
D102802-5g
3
$10.90
10g
D102802-10g
1
$11.90
25g
D102802-25g
2

$16.90

$25.90
Save $9.00 (34.75%)
100g
D102802-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$57.90

$86.90
Save $29.00 (33.37%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,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.

📚

Literature proof

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

Specifications

Synonyms
F10199 | Oprea1_749310 | SCHEMBL989596 | W-110451 | SY009857 | Oprea1_544637 | 2-(Diphenylphosphino)benzoic acid # | 2-(diphenylphosphanyl)benzoic acid | 2-diphenylphosphanylbenzoic acid | 2-Diphenylphosphanyl-benzoic acid | BCP18923 | EN300-225991 | UNII
Specifications & Purity
≥97%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid504755856
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504755856
Canonical SmilesC1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=CC=C3C(=O)O
IUPAC Name2-diphenylphosphanylbenzoic acid
InChIKeyUYRPRYSDOVYCOU-UHFFFAOYSA-N
INCHI1S/C19H15O2P/c20-19(21)17-13-7-8-14-18(17)22(15-9-3-1-4-10-15)16-11-5-2-6-12-16/h1-14H,(H,20,21)
Isomeric SMILES C1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=CC=C3C(=O)O
WGK Germany 3
RTECS DG9287500
Molecular Weight 306.3
Reaxy-Rn 2742666
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2742666&ln=

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.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 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 Benzoic acids  Benzoyl derivatives  Organic phosphines and derivatives  Monocarboxylic acids and derivatives  Carboxylic acids  Organopnictogen compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Triphenylphosphine - Benzoic acid or derivatives - Benzoic acid - Benzoyl - Phenylphosphine - Phosphine - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Organic oxygen compound - Organooxygen compound - Organophosphorus compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Aromatic homomonocyclic 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





Mechanisms of Action
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.

8 results found

Lot NumberCertificate TypeDateItem
H2003077Certificate of AnalysisJan 07, 2026 D102802
H2003075Certificate of AnalysisJan 07, 2026 D102802
F2207308Certificate of AnalysisDec 10, 2025 D102802
D1816122Certificate of AnalysisAug 21, 2025 D102802
D1816121Certificate of AnalysisAug 21, 2025 D102802
C2024051Certificate of AnalysisJun 16, 2025 D102802
D2523049Certificate of AnalysisApr 30, 2025 D102802
A2425010Certificate of AnalysisFeb 01, 2024 D102802
Chemical and Physical Properties
SensitivityMoisture sensitive.
Melt Point(°C)174-181°C
Molecular Weight306.300 g/mol
XLogP34.100
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count4
Exact Mass306.081 Da
Monoisotopic Mass306.081 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count22
Formal Charge0
Complexity340.000
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
Citations of This Product
References
1. Xiuqin Dong, Chen Xin, Lingtao Wang, Hao Gong, Yifei Chen.  (2023)  The hydroformylation of 1-butene on phosphine modified 1Rh/MOF-5 prepared by different immobilization strategies.  Molecular Catalysis,      [PMID:] [10.1016/j.mcat.2023.112973]
2. Huawei Niu, Xintong Mi, Xinting Hua, Yuanyuan Zhang, Yaping Zhai, Fangyuan Qin, Yong Ye, Yufen Zhao.  (2021)  A bifunctional fluorescent probe based on “AND logic” for the simultaneous recognition of H2S/HNO and its bioimaging applications.  ANALYTICA CHIMICA ACTA,      [PMID:35057948] [10.1016/j.aca.2021.339341]
3. Yifei Chen, Yongru You, Chen Xin, Xiuqin Dong, Hao Gong.  (2024)  Rational design of ligand-immobilized Rh/IRMOFs catalysts for 1-butene hydroformylation with high regioselectivity.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2024.114163]
Solution Calculators
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