Determine the necessary mass, volume, or concentration for preparing a solution.
≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Argon charged Ships Wet ice 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 28 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488197143 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488197143 |
| Canonical Smiles | C1=C(C(=CC(=C1O)C=O)O)C=O |
| IUPAC Name | 2,5-dihydroxyterephthalaldehyde |
| InChIKey | PIWMYUGNZBJTID-UHFFFAOYSA-N |
| INCHI | 1S/C8H6O4/c9-3-5-1-7(11)6(4-10)2-8(5)12/h1-4,11-12H |
| Isomeric SMILES | C1=C(C(=CC(=C1O)C=O)O)C=O |
| Molecular Weight | 166.13 |
| Reaxy-Rn | 2090418 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2090418&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 oxygen compounds |
| Class | Organooxygen compounds |
| Subclass | Carbonyl compounds |
| Intermediate Tree Nodes | Aldehydes - Aryl-aldehydes - Benzaldehydes |
| Direct Parent | Hydroxybenzaldehydes |
| Alternative Parents | Hydroquinones Benzoyl derivatives 1-hydroxy-2-unsubstituted benzenoids Vinylogous acids Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Hydroxybenzaldehyde - Hydroquinone - Benzoyl - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Benzenoid - Monocyclic benzene moiety - Vinylogous acid - Organic oxide - Hydrocarbon derivative - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as hydroxybenzaldehydes. These are organic aromatic compounds containing a benzene ring carrying an aldehyde group and a hydroxyl group. |
| 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 |
|---|---|---|---|
| Certificate of Analysis | Dec 11, 2025 | B300119 | |
| Certificate of Analysis | Dec 11, 2025 | B300119 | |
| Certificate of Analysis | Dec 11, 2025 | B300119 | |
| Certificate of Analysis | Dec 11, 2025 | B300119 | |
| Certificate of Analysis | Dec 11, 2025 | B300119 | |
| Certificate of Analysis | Dec 11, 2025 | B300119 | |
| Certificate of Analysis | Dec 11, 2025 | B300119 | |
| Certificate of Analysis | Oct 13, 2025 | B300119 | |
| Certificate of Analysis | Oct 13, 2025 | B300119 | |
| Certificate of Analysis | Oct 13, 2025 | B300119 | |
| Certificate of Analysis | Oct 13, 2025 | B300119 | |
| Certificate of Analysis | Dec 12, 2024 | B300119 | |
| Certificate of Analysis | Dec 11, 2024 | B300119 | |
| Certificate of Analysis | Dec 11, 2024 | B300119 | |
| Certificate of Analysis | Dec 11, 2024 | B300119 | |
| Certificate of Analysis | Oct 22, 2024 | B300119 | |
| Certificate of Analysis | Oct 22, 2024 | B300119 | |
| Certificate of Analysis | Oct 22, 2024 | B300119 | |
| Certificate of Analysis | Oct 22, 2024 | B300119 | |
| Certificate of Analysis | Oct 22, 2024 | B300119 | |
| Certificate of Analysis | Oct 22, 2024 | B300119 | |
| Certificate of Analysis | Aug 12, 2024 | B300119 | |
| Certificate of Analysis | Jul 08, 2024 | B300119 | |
| Certificate of Analysis | Jun 01, 2024 | B300119 | |
| Certificate of Analysis | Jun 01, 2024 | B300119 | |
| Certificate of Analysis | Jun 01, 2024 | B300119 | |
| Certificate of Analysis | Jun 01, 2024 | B300119 | |
| Certificate of Analysis | Jun 01, 2024 | B300119 | |
| Certificate of Analysis | Apr 12, 2024 | B300119 | |
| Certificate of Analysis | Jan 02, 2024 | B300119 | |
| Certificate of Analysis | Jan 02, 2024 | B300119 | |
| Certificate of Analysis | Jan 02, 2024 | B300119 | |
| Certificate of Analysis | Jan 02, 2024 | B300119 | |
| Certificate of Analysis | Jan 02, 2024 | B300119 | |
| Certificate of Analysis | May 20, 2023 | B300119 | |
| Certificate of Analysis | May 20, 2023 | B300119 | |
| Certificate of Analysis | May 20, 2023 | B300119 | |
| Certificate of Analysis | May 20, 2023 | B300119 | |
| Certificate of Analysis | Jan 16, 2023 | B300119 | |
| Certificate of Analysis | Jan 16, 2023 | B300119 | |
| Certificate of Analysis | Oct 17, 2022 | B300119 | |
| Certificate of Analysis | Oct 17, 2022 | B300119 | |
| Certificate of Analysis | Oct 17, 2022 | B300119 | |
| Certificate of Analysis | Jun 15, 2022 | B300119 | |
| Certificate of Analysis | Jun 15, 2022 | B300119 | |
| Certificate of Analysis | Jun 15, 2022 | B300119 | |
| Certificate of Analysis | Jun 15, 2022 | B300119 | |
| Certificate of Analysis | Mar 23, 2022 | B300119 | |
| Certificate of Analysis | Nov 26, 2021 | B300119 |
| Sensitivity | air sensitive |
|---|---|
| Molecular Weight | 166.130 g/mol |
| XLogP3 | 1.200 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 166.027 Da |
| Monoisotopic Mass | 166.027 Da |
| Topological Polar Surface Area | 74.600 Ų |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 160.000 |
| 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 |
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| 2. Miaoran Xu, Hao Dang, Mengfei Wang, Shuai Zhang, Qiaojuan Jia, Jia-Yue Tian, Minghua Wang, Miao Du. (2023) New dual-modal electrochemical and photoelectrochemical aptasensing strategy for the sensitive detection of penicillin G based on an iron-doped covalent triazine framework. MICROCHEMICAL JOURNAL, [PMID:] [10.1016/j.microc.2023.109242] |
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| 5. Yuanqing Zhao, Kai Hu, Cheng Yang, Xiaobing Liu, Lixin Li, Zhonghua Li, Pan Wang, Zhenqiang Zhang, Shusheng Zhang. (2022) Covalent organic framework@Ti3C2Tx composite as solid phase microextraction coating for the determination of polycyclic aromatic hydrocarbons in honey samples. ANALYTICA CHIMICA ACTA, [PMID:36442935] [10.1016/j.aca.2022.340581] |
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| 7. Tao Hu, Ji-Na Hao, Yongsheng Li. (2024) A highly luminescent lanthanide-functionalized covalent organic framework for rapid and specific detection of 7-methylguanine for DNA methylation assessment. Biomaterials Science, 12 (20): (5266-5273). [PMID:39238274] [10.1039/D4BM01018C] |
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| 13. Xiaoyu Wang, Chunzhe Xu, Hantao Tian, Yu Pang, Jie Lv, Meng Li. (2025) FeS embedded bioreactor collaborate with artesunate for cascade-catalytic tumor ferroptosis. JOURNAL OF COLLOID AND INTERFACE SCIENCE, [PMID:40184656] [10.1016/j.jcis.2025.137479] |
| 14. Tiao Huang, Shenglin Wang, Hui Hu, Jianyi Wang, Xiaosong Zhang, Yanan Gao. (2025) Ionic-rich triazine-based two-dimensional covalent organic framework materials for high-performance zinc-iodine battery. JOURNAL OF POWER SOURCES, [PMID:] [10.1016/j.jpowsour.2025.236449] |
| 15. Rui Yang, Qian Chen, Weichen Sheng, Kan Zhang. (2024) Oxazine Ring-Containing Polycyclic Monomers: A Class of Benzoxazine Thermosetting Resins with Intrinsically Low Curing Temperature. MACROMOLECULES, [PMID:] [10.1021/acs.macromol.4c00829] |
| 16. Li Hang, Xu Hui, Yao Shuo, Wei Shengnan, Liu Yi, Shi Xuening, Zhao Wei, Zhao Chao. (2024) Target-inhibited MCOF-Apt-AuNPs self-assembly for multicolor colorimetric detection of Salmonella Typhimurium. npj Science of Food, 8 (1): (1-10). [PMID:39368968] [10.1038/s41538-024-00321-7] |
| 17. Xinxing Jiang, Jihong Fu, Dandan Li, Wenxia Xue, Yaxue Zhang. (2024) Ultrasensitive Determination of Thiabendazole in Fruit Juice by Surface-Enhanced Raman Scattering (SERS) Using a Covalent Organic Framework (COF) Gold Nanoparticle (Au NP) Substrate. ANALYTICAL LETTERS, [PMID:] [10.1080/00032719.2023.2297293] |
| 18. Manyan Qiu, Aiai Nie, Jinghang Zhang, Miao Zheng, Ning Guan, Sharuna De, Xiaoyan Pei, Xinyan Yang, Yujun Jiang, Qianyu Zhao, Chaoxin Man. (2025) Magnetic Solid-phase Extraction and HPLC-UV Determination of Fat-soluble Vitamins based on a Multifunctional Monomer Covalent Organic Frameworks. TALANTA, [PMID:40669329] [10.1016/j.talanta.2025.128569] |
| 19. Xiang-Tao Xuan, Hui Zhang, Hong-Li Wang, Jia-Le Yao, Jun Xu, Qiu-Ling Che, Yi Wang. (2025) One-step hydrothermal fabrication of COF/SiO2/POTS composite coating on cellulose-based cotton fabrics with superhydrophobic self-cleaning, light-induced color change, and self-healing anti-icing properties. INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, [PMID:40972931] [10.1016/j.ijbiomac.2025.147756] |
| 20. Ruoxuan Guo, Yingzhong Huo, Liping Song, Yang Liu, Tao Wen, Sai Zhang, Yuejie Ai. (2024) Hydroxyl-based donor-acceptor covalent triazine frameworks as efficient platforms for in-situ photocatalytic U(Ⅵ) reduction. APPLIED CATALYSIS B-ENVIRONMENTAL, [PMID:] [10.1016/j.apcatb.2024.124950] |
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