Phenylphosphonic Acid(PPOA) - ≥98% , CAS No.1571-33-1

CAS: 1571-33-1 Cat. No.: P160700 Molecular Weight: 158.09 Beilstein Registry Number: 16803 EC Number: 216-388-1 PubChem CID: 15295
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Phenylphosphonic acid | Phenyl-phosphonic acid | A809812 | MFCD00002136 | AKOS015889842 | Phosphonic acid, phenyl- | Phenylphosphonicacid | FT-0651791 | NSC 145 | SCHEMBL34998 | SV7 | Benzenephosphonic acid | EINECS 216-388-1 | AI3-52844 | UNII-BYD76T2868
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
P160700-25g
6
$13.90
100g
P160700-100g
6
$37.90
500g
P160700-500g
2

$65.90

$98.90
Save $33.00 (33.37%)
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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 31 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Additive used with Noyori's catalyst for oxidation of sulfides to sulfones. Noyori Oxidation (Sodium Tungstate Dihydrate, Hydrogen Peroxide, Methyltri-n-octylammonium Hydrogen Sulfate, Phosphonic Acid) Self assembled monolayers (SAMs)of phenylphosphonic acid may be used to make the interface between organic semiconductors and transparent conductive oxides.The acid may be used to functionalize titania particles. Additive used with Noyorι¢s catalyst for greener oxidation of sulfides to sulfones.

Specifications

Synonyms
Phenylphosphonic acid | Phenyl-phosphonic acid | A809812 | MFCD00002136 | AKOS015889842 | Phosphonic acid, phenyl- | Phenylphosphonicacid | FT-0651791 | NSC 145 | SCHEMBL34998 | SV7 | Benzenephosphonic acid | EINECS 216-388-1 | AI3-52844 | UNII-BYD76T2868
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488182096
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488182096
Canonical SmilesC1=CC=C(C=C1)P(=O)(O)O
IUPAC Namephenylphosphonic acid
InChIKeyQLZHNIAADXEJJP-UHFFFAOYSA-N
INCHI1S/C6H7O3P/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H2,7,8,9)
Isomeric SMILES C1=CC=C(C=C1)P(=O)(O)O
RTECS TA0350000
PubChem CID 15295
Molecular Weight 158.09
Beilstein 16803
Reaxy-Rn 2245168

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
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzene and substituted derivatives
Alternative Parents Organic phosphonic acids  Organopnictogen compounds  Organophosphorus compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Monocyclic benzene moiety - Organophosphonic acid derivative - Organophosphonic acid - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organophosphorus compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
CA2 Tclin Carbonic anhydrase 2 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
CA2 Tclin Carbonic anhydrase II (17698 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA1 Tclin Carbonic anhydrase I (13240 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA5A Tclin Carbonic anhydrase VA (1168 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA9 Tclin Carbonic anhydrase IX (8255 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
CA4 Carbonic anhydrase IV (1713 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
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.

22 results found

Lot NumberCertificate TypeDateItem
C2625578Certificate of AnalysisMar 11, 2026 P160700
C2625579Certificate of AnalysisMar 11, 2026 P160700
C2625580Certificate of AnalysisMar 11, 2026 P160700
C2625588Certificate of AnalysisMar 11, 2026 P160700
D2518433Certificate of AnalysisMar 11, 2025 P160700
D2518434Certificate of AnalysisMar 11, 2025 P160700
D2518435Certificate of AnalysisMar 11, 2025 P160700
D2518469Certificate of AnalysisMar 11, 2025 P160700
I2419398Certificate of AnalysisJun 15, 2024 P160700
F23131494Certificate of AnalysisMay 19, 2023 P160700
F2313636Certificate of AnalysisMay 19, 2023 P160700
F23131592Certificate of AnalysisMay 19, 2023 P160700
F23131540Certificate of AnalysisMay 19, 2023 P160700
F23131536Certificate of AnalysisMay 19, 2023 P160700
F23131415Certificate of AnalysisMay 19, 2023 P160700
B2515051Certificate of AnalysisJul 22, 2022 P160700
H2211474Certificate of AnalysisJul 22, 2022 P160700
H2211517Certificate of AnalysisJul 22, 2022 P160700
H2211529Certificate of AnalysisJul 22, 2022 P160700
H2211540Certificate of AnalysisJul 22, 2022 P160700
E2305077Certificate of AnalysisJul 22, 2022 P160700
L2405051Certificate of AnalysisJul 22, 2022 P160700

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Chemical and Physical Properties
SolubilitySoluble in water.
Melt Point(°C)162-164°C
Molecular Weight158.090 g/mol
XLogP30.500
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass158.013 Da
Monoisotopic Mass158.013 Da
Topological Polar Surface Area57.500 Ų
Heavy Atom Count10
Formal Charge0
Complexity145.000
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. Yujuan Ren, Kaiwen Zhao, Guangyao Wu, Lianghai Hu.  (2023)  Highly Ordered Assembly of Templates on Molecular Imprinting toward Phosphorylated Compounds for Improved Performance.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.3c02841]
2. Ronghua Yu, Xin Wen, Yue Zhu, Shenghui Lou, Yongjiang Li, Shengda Wang, Jie Liu, Tao Tang.  (2023)  Boron-doped copper phenylphosphate as temperature-response nanosheets to fabricate high fire-safety polycarbonate nanocomposites.  COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,      [PMID:] [10.1016/j.compositesa.2023.107812]
3. Xiu Wang, Meiling Yan, Jun Yu, Weiang Luo, Guorong Chen.  (2023)  Preparation of novel hollow metal organic framework for enhancing flame retardancy of paraffin/EP thermal energy storage materials.  POLYMER COMPOSITES,  44  (11): (8049-8062).  [PMID:] [10.1002/pc.27687]
4. Xugang Yang, Zaihao Yuan, Minghao Zhou, Feng Chen, Bo-Qing Xu, Hui Shi.  (2023)  Toward a Better Understanding of Intrinsic Activity Trends in Zr-Based Heterogeneous Catalysts for Meerwein–Pondorf–Verley Reduction of Levulinate Esters.  ACS Catalysis,      [PMID:] [10.1021/acscatal.3c02413]
5. Ying-Ming Li, Wen-Juan Hu, Shuang-Lin Hu, Yi-Ran Li, Dan-Ping Zhu, De-Yi Wang.  (2023)  Fabrication of intrinsic flame-retarding rigid polyurethane foam with enhanced compressive strength and good thermal insulation.  POLYMER DEGRADATION AND STABILITY,      [PMID:] [10.1016/j.polymdegradstab.2023.110463]
6. Zhilin Cao, Changxin Ren, Zhengzhou Wang.  (2023)  Copper phenyl phosphonate for epoxy resin and cyanate ester copolymer with improved flame retardancy and thermal properties.  E-POLYMERS,  23  (1):   [PMID:] [10.1515/epoly-2023-0004]
7. Rui Zhou, Wusong Xu, Peisen Liu, Shangyuan Zhao, Gang Xu, Qizhong Xiong, Weifeng Zhang, Chaochun Zhang, Xinxin Ye.  (2023)  Synthesis of FeOOH-Loaded Aminated Polyacrylonitrile Fiber for Simultaneous Removal of Phenylphosphonic Acid and Phosphate from Aqueous Solution.  Polymers,  15  (8): (1918).  [PMID:37112065] [10.3390/polym15081918]
8. Xinyu Wang, Kunxiong Wu, Chenyu Zhou, Zhiquan Pan, Lu Feng, Qingrong Cheng, Hong Zhou.  (2023)  Phenylenediamine-phenyl phosphonic acid salts toward good flame retardancy and smoke suppression epoxy resin.  JOURNAL OF APPLIED POLYMER SCIENCE,  140  (14): (e53708).  [PMID:] [10.1002/app.53708]
9. Chi Junrui, Zhang Yu, Tu Fanbin, Sun Junchen, Zhi Huizhen, Yang Jinfei.  (2023)  The synergistic flame-retardant behaviors of soybean oil phosphate-based polyols and modified ammonium polyphosphate in polyurethane foam.  JOURNAL OF POLYMER RESEARCH,  30  (2): (1-12).  [PMID:] [10.1007/s10965-023-03447-6]
10. Kaixiang Shen, Qinyu He, Qiang Ru, Danling Tang, Than Zaw Oo, Mono Zaw, Nyein Wint Lwin, Su Htike Aung, Swee Ching Tan, Fuming Chen.  (2023)  Flexible LATP composite membrane for lithium extraction from seawater via an electrochemical route.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2023.121358]
11. Bo Liu, Siming Yan, Yi He, Teng He, Yahui He, Ruxia Song, Zhifei Zhang, Hongjie Li, Jinxue Song, Zhiyuan Li.  (2022)  Study on wear resistance and corrosion resistance of zirconium phenylphosphonate reinforced Ni–W composite coating.  APPLIED SURFACE SCIENCE,      [PMID:] [10.1016/j.apsusc.2022.154483]
12. Can Fu, Xiaoli Xu, Guang-Zhong Yin, Baoyun Xu, Pingyang Li, Bo Ai, Zhongjie Zhai, Fei Gao, Jinguo Zhai, De-Yi Wang.  (2022)  Surface engineering for cellulose as a boosted Layer-by-Layer assembly: Excellent flame retardancy and improved durability with introduction of bio-based “molecular glue”.  APPLIED SURFACE SCIENCE,      [PMID:] [10.1016/j.apsusc.2022.152550]
13. Hui Zhang, Jianping Zhang, Yi Chen, Tianze Wu, Mingzhu Lu, Zhenxia Chen, Yu Jia, Yongtai Yang, Yun Ling, Yaming Zhou.  (2022)  Hollow carbon nanospheres embedded with stoichiometric γ-Fe2O3 and GdPO4: tuning the nanospheres for in vitro and in vivo size effect evaluation.  Nanoscale Advances,  (5): (1414-1421).  [PMID:36133683] [10.1039/D1NA00771H]
14. Xian-Ling Fu, Hong-Liang Ding, Xin Wang, Lei Song, Yuan Hu.  (2022)  Fabrication of zirconium phenylphosphonate/epoxy composites with simultaneously enhanced mechanical strength, anti-flammability and smoke suppression.  COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,      [PMID:] [10.1016/j.compositesa.2022.106837]
15. Qiang Chen, Zhewen Ma, Zhengzhou Wang, Lei Liu, Menghe Zhu, Weiwei Lei, Pingan Song.  (2021)  Scalable, Robust, Low-Cost, and Highly Thermally Conductive Anisotropic Nanocomposite Films for Safe and Efficient Thermal Management.  ADVANCED FUNCTIONAL MATERIALS,  32  (8): (2110782).  [PMID:] [10.1002/adfm.202110782]
16. Gao Nan, Tan Runan, Cai Zhiwei, Zhao Hui, Chang Gang, He Yunbin.  (2021)  A novel electrochemical sensor via Zr-based metal organic framework–graphene for pesticide detection.  JOURNAL OF MATERIALS SCIENCE,  56  (34): (19060-19074).  [PMID:] [10.1007/s10853-021-06436-6]
17. Hui Zhang, Tianze Wu, Yi Chen, Qianqian Zhang, Zhenxia Chen, Yun Ling, Yu Jia, Yongtai Yang, Xiaofeng Liu, Yaming Zhou.  (2021)  Hollow carbon nanospheres dotted with Gd–Fe nanoparticles for magnetic resonance and photoacoustic imaging.  Nanoscale,  13  (24): (10943-10952).  [PMID:34132292] [10.1039/D1NR02914B]
18. Yibo Zhang, Yuying Zheng, Hongbo Geng, Yang Yang, Minghui Ye, Yufei Zhang, Cheng Chao Li.  (2021)  The Efficient K Ion Storage of M2P2O7/C (M=Fe, Co, Ni) Anode Derived from Organic-Inorganic Phosphate Precursors.  CHEMISTRY-A EUROPEAN JOURNAL,  27  (35): (9031-9037).  [PMID:33792104] [10.1002/chem.202100219]
19. Ying Pan, Wei Cai, Jia Du, Lei Song, Yuan Hu, Hongting Zhao.  (2020)  Lanthanum phenylphosphonate–based multilayered coating for reducing flammability and smoke production of flexible polyurethane foam.  POLYMERS FOR ADVANCED TECHNOLOGIES,  31  (6): (1330-1339).  [PMID:] [10.1002/pat.4862]
20. Yameng Wan, Pengshuai Zhang, Haixia He, Jiao Sha, Kunpeng Yang, Tao Li, Baozeng Ren.  (2019)  Solid–Liquid Equilibrium Solubility, Thermodynamic Properties, and Molecular Simulation of Phenylphosphonic Acid in 15 Pure Solvents at Different Temperatures.  JOURNAL OF CHEMICAL AND ENGINEERING DATA,      [PMID:] [10.1021/acs.jced.9b00362]
21. Zong-Min Zhu, Luo-Xin Wang, Xue-Bao Lin, Liang-Ping Dong.  (2019)  Synthesis of a novel phosphorus-nitrogen flame retardant and its application in epoxy resin.  POLYMER DEGRADATION AND STABILITY,      [PMID:] [10.1016/j.polymdegradstab.2019.108981]
22. Lei Hu, Ning Li, Xiaoli Dai, Yuqi Guo, Yetao Jiang, Aiyong He, Jiaxing Xu.  (2018)  Highly efficient production of 2,5-dihydroxymethylfuran from biomass-derived 5-hydroxymethylfurfural over an amorphous and mesoporous zirconium phosphonate catalyst.  Journal of Energy Chemistry,      [PMID:] [10.1016/j.jechem.2018.12.001]
23. Tian Zhao, Ming Dong, Ling Yang, Yuejun Liu.  (2018)  Synthesis of Stable Hierarchical MIL-101(Cr) with Enhanced Catalytic Activity in the Oxidation of Indene.  Catalysts,  (9): (394).  [PMID:] [10.3390/catal8090394]
24. Qisi Liu, Kaina Zhang, Yuhao Jin, Xiangfeng Wang, Yuan Liu, Hailing Liu, Mengxia Xie.  (2018)  Phosphate-imprinted magnetic nanoparticles using phenylphosphonic acid as a template for excellent recognition of tyrosine phosphopeptides.  TALANTA,      [PMID:29784371] [10.1016/j.talanta.2018.04.025]
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