≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,Argon charged,Cool Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 12 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504752441 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504752441 |
| Canonical Smiles | C1=CC=C(C=C1)OP(=O)(O)OC2=CC=CC=C2 |
| IUPAC Name | diphenyl hydrogen phosphate |
| InChIKey | ASMQGLCHMVWBQR-UHFFFAOYSA-N |
| INCHI | 1S/C12H11O4P/c13-17(14,15-11-7-3-1-4-8-11)16-12-9-5-2-6-10-12/h1-10H,(H,13,14) |
| Isomeric SMILES | C1=CC=C(C=C1)OP(=O)(O)OC2=CC=CC=C2 |
| WGK Germany | 3 |
| RTECS | TC5470000 |
| Molecular Weight | 250.19 |
| Beilstein | 1379164 |
| Reaxy-Rn | 1379164 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1379164&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organic acids and derivatives |
| Class | Organic phosphoric acids and derivatives |
| Subclass | Phosphate esters |
| Intermediate Tree Nodes | Aryl phosphates |
| Direct Parent | Aryl phosphodiesters |
| Alternative Parents | Phenoxy compounds Organooxygen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Aryl phosphodiester - Phenoxy compound - Benzenoid - Monocyclic benzene moiety - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as aryl phosphodiesters. These are aryl phosphates in which the phosphate is esterified at exactly two positions. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 A2605388 | Certificate of Analysis | Dec 11, 2025 | D139308 |
| A2605357 | Certificate of Analysis | Dec 11, 2025 | D139308 |
| A2605338 | Certificate of Analysis | Dec 11, 2025 | D139308 |
| A2605344 | Certificate of Analysis | Dec 11, 2025 | D139308 |
| L2502047 | Certificate of Analysis | Oct 29, 2025 | D139308 |
| J2527045 | Certificate of Analysis | Oct 29, 2025 | D139308 |
| A2409261 | Certificate of Analysis | Oct 13, 2025 | D139308 |
| A2409264 | Certificate of Analysis | Oct 13, 2025 | D139308 |
| A2409263 | Certificate of Analysis | Oct 13, 2025 | D139308 |
| A2409262 | Certificate of Analysis | Oct 13, 2025 | D139308 |
| A2409260 | Certificate of Analysis | Oct 13, 2025 | D139308 |
| K2119348 | Certificate of Analysis | Sep 15, 2023 | D139308 |
| K2119602 | Certificate of Analysis | Sep 15, 2023 | D139308 |
| K2119345 | Certificate of Analysis | Sep 15, 2023 | D139308 |
| D2312779 | Certificate of Analysis | Apr 20, 2023 | D139308 |
| D2312746 | Certificate of Analysis | Apr 20, 2023 | D139308 |
| D2312782 | Certificate of Analysis | Apr 20, 2023 | D139308 |
| D2312784 | Certificate of Analysis | Apr 20, 2023 | D139308 |
| B2301303 | Certificate of Analysis | Feb 09, 2023 | D139308 |
| K2214065 | Certificate of Analysis | Nov 16, 2022 | D139308 |
| E1815068 | Certificate of Analysis | Jan 25, 2022 | D139308 |
| Solubility | Soluble in benzene. Insoluble in water. |
|---|---|
| Sensitivity | Moisture sensitive |
| Melt Point(°C) | 69 °C |
| Molecular Weight | 250.190 g/mol |
| XLogP3 | 1.400 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 4 |
| Exact Mass | 250.039 Da |
| Monoisotopic Mass | 250.039 Da |
| Topological Polar Surface Area | 55.800 Ų |
| Heavy Atom Count | 17 |
| Formal Charge | 0 |
| Complexity | 246.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Huahai Yu, Ying Piao, Yifan Zhang, Jiajia Xiang, Shiqun Shao, Jianbin Tang, Zhuxian Zhou, Youqing Shen. (2023) Cell-Selective Binding Zwitterionic Polymeric Micelles Boost the Delivery Efficiency of Antibiotics. ACS Nano, [PMID:37933869] [10.1021/acsnano.3c05181] |
| 2. Ma Yiming, Wang Yadong, Ma Li, Zhu Zongmin. (2023) Fabrication of hydrophobic and flame‑retardant cotton fabric via sol–gel method. CELLULOSE, 30 (18): (11829-11843). [PMID:] [10.1007/s10570-023-05586-x] |
| 3. 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] |
| 4. Shiqi Huang, Limin Zhang, Liyi Dai, Yuanyuan Wang, Yang Tian. (2021) Nonenzymatic Electrochemical Sensor with Ratiometric Signal Output for Selective Determination of Superoxide Anion in Rat Brain. ANALYTICAL CHEMISTRY, [PMID:33757286] [10.1021/acs.analchem.1c00151] |
| 5. Wang Di, Yu Jiajun, Duan Gaigai, Liu Kunming, Hou Haoqing. (2020) Electrospun polyimide nonwovens with enhanced mechanical and thermal properties by addition of trace plasticizer. JOURNAL OF MATERIALS SCIENCE, 55 (13): (5667-5679). [PMID:] [10.1007/s10853-020-04402-2] |
| 6. 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] |
| 7. Yangyi Wu, Lijun Fan, Yixiang Chen, Xianhong Zhang, Dong Chen, Wantai Yang. (2025) Branching Structured Poly(vinyl chloride-co-hydroxyethyl acrylate)-g-polycaprolactone as Nonmigratory Polymeric Plasticizers and Compatibilizers in Flexible PVC. ACS Applied Polymer Materials, [PMID:] [10.1021/acsapm.4c03603] |
| 8. Haixia Liu, Jiayi Shen, Tong Zhang, Yingge Xu, Xiaolong Cao, Jinkai Wang, Zhenkun Yin, Zhengdong Wang. (2025) Imidazole diphenyl phosphate-boron nitride nanoflakes for significantly enhancing flame retardation and thermal transport performance of epoxy. JOURNAL OF ALLOYS AND COMPOUNDS, [PMID:] [10.1016/j.jallcom.2025.179414] |
| 9. Jingsheng Wang, Jun Wang, Shuang Yang, Guoping Ding, Renxin Xu, Wei Liu, Jiuxiao Sun, Kaiwen Chen, Liu Duan, Jiaqi Wang, Hao Wang, Siqi Huo. (2025) Phosphorus-derived imidazolium salts with varied oxidation states: Tailoring latency, mechanical properties, and flame retardancy in single-component epoxy resins. POLYMER DEGRADATION AND STABILITY, [PMID:] [10.1016/j.polymdegradstab.2025.111325] |
| 10. Fukai Chu, Yandong Hu, Yanbei Hou, Weiyi Xing, Weizhao Hu, Lei Song, Yuan Hu. (2025) Novel phosphorus-containing polyborosiloxane synergistic fireproof layer: A multifunctional emergency barrier for building window fire protection. CONSTRUCTION AND BUILDING MATERIALS, [PMID:] [10.1016/j.conbuildmat.2025.142274] |
| 11. Miaocui Xi, Xue Bai, Lu Fang, Xuedong Wang, Jin Yan, Qiuhui Qian, Zejun Wang, Huili Wang. (2025) The differential cardiotoxicity effects and molecular mechanisms induced by two emerging organophosphorus flame retardants (EHDPP and DPHP) with similar parent structures in zebrafish. Environmental Chemistry and Ecotoxicology, [PMID:] [10.1016/j.enceco.2025.12.017] |
| 12. Zhilong Xu, Kai Yu, Siyu Zhu, Yun Ju, Jing Zhao, Hong Zhang, Mingyi Wang, Jie Jiang, Jing He. (2026) Organophosphate diesters interfere with hypochlorous acid-induced phospholipid reactions at the air-water interface. JOURNAL OF HAZARDOUS MATERIALS, [PMID:41564757] [10.1016/j.jhazmat.2026.141203] |
