≥98%(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,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 6 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Hexylphosphonic acid(HPA) is a phosphonic acid derivative that can be used as a capping agent and a surfactant
| Pubchem Sid | 488189433 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488189433 |
| Canonical Smiles | CCCCCCP(=O)(O)O |
| IUPAC Name | hexylphosphonic acid |
| InChIKey | GJWAEWLHSDGBGG-UHFFFAOYSA-N |
| INCHI | 1S/C6H15O3P/c1-2-3-4-5-6-10(7,8)9/h2-6H2,1H3,(H2,7,8,9) |
| Isomeric SMILES | CCCCCCP(=O)(O)O |
| Molecular Weight | 166.16 |
| Reaxy-Rn | 1756554 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1756554&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 phosphonic acids and derivatives |
| Subclass | Organic phosphonic acids |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Organic phosphonic acids |
| Alternative Parents | Organopnictogen compounds Organophosphorus compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Organophosphonic acid - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organophosphorus compound - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as organic phosphonic acids. These are organic compounds containing phosphonic acid. |
| 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 |
|---|---|---|---|
 A2621517 | Certificate of Analysis | Jan 08, 2026 | H157410 |
| A2621518 | Certificate of Analysis | Jan 08, 2026 | H157410 |
| A2621519 | Certificate of Analysis | Jan 08, 2026 | H157410 |
| A2621520 | Certificate of Analysis | Jan 08, 2026 | H157410 |
| J2109337 | Certificate of Analysis | Jul 10, 2025 | H157410 |
| H2422285 | Certificate of Analysis | Aug 01, 2024 | H157410 |
| H2422286 | Certificate of Analysis | Aug 01, 2024 | H157410 |
| D2419024 | Certificate of Analysis | Oct 09, 2022 | H157410 |
| F2404025 | Certificate of Analysis | Oct 09, 2022 | H157410 |
| H2330037 | Certificate of Analysis | Oct 09, 2022 | H157410 |
| J2219541 | Certificate of Analysis | Oct 09, 2022 | H157410 |
| J2219543 | Certificate of Analysis | Oct 09, 2022 | H157410 |
| J2219548 | Certificate of Analysis | Oct 09, 2022 | H157410 |
| J2219730 | Certificate of Analysis | Oct 09, 2022 | H157410 |
| Solubility | Insoluble in water. |
|---|---|
| Melt Point(°C) | 105-106°C |
| Molecular Weight | 166.160 g/mol |
| XLogP3 | 0.700 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 5 |
| Exact Mass | 166.076 Da |
| Monoisotopic Mass | 166.076 Da |
| Topological Polar Surface Area | 57.500 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 118.000 |
| 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. Yuanlin Huang, Lei Fang, Yu Gu, Pingshi Wang, Hao Yan, Yanjie Wang, Zexing Cao, Zhaowu Tian, Bingwei Mao, Li Zhang. (2021) Dynamic Locking of Interfacial Side Reaction Sites Promotes Aluminum-Air Batteries Close to Theoretical Capacity. Advanced Sustainable Systems, 6 (3): (2100420). [PMID:] [10.1002/adsu.202100420] |
| 2. Cui Jingjie, Chen Shaowei, Liu Hong, Huang Zhen. (2014) Nano-p–n junction heterostructures enhanced TiO2 nanobelts biosensing electrode. JOURNAL OF SOLID STATE ELECTROCHEMISTRY, 18 (10): (2693-2699). [PMID:] [10.1007/s10008-014-2524-x] |
| 3. Huan Tian, Yi Liu, Feng-Lei Jiang. (2024) Chemical Instability of CsPbBr3 Nanocrystals and the Reversible Transformation between CsPbBr3 and Cs4PbBr6 Nanocrystals as Driven by Synthetic Precursors. CHEMISTRY OF MATERIALS, [PMID:] [10.1021/acs.chemmater.4c02018] |
| 4. Geyu Jin, Yicheng Zeng, Xiao Liu, Qingya Wang, Jing Wei, Fangze Liu, Hongbo Li. (2024) Synthesis and Optical Properties of CdSeTe/CdZnS/ZnS Core/Shell Nanorods. Nanomaterials, 14 (11): (989). [PMID:38869614] [10.3390/nano14110989] |
| 5. Yicheng Zeng, Yin Zhou, Fangze Liu, Hongbo Li. (2025) Unlocking the Orbital Interaction Mode in Li–O2 Batteries. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 65 (2): (e20062). [PMID:41230963] [10.1002/anie.202520062] |
| 6. Qingke Yu, Weisheng Zheng, Jiangtao Yu, Yan Lou, Pan Guo, Guijian Huang, Mingyu Liu. (2026) High-temperature tribological behaviour and wear mechanisms of SAMs-modified Zr-Cu-Al-Ni bulk metallic glass. WEAR, [PMID:] [10.1016/j.wear.2026.206634] |
