Determine the necessary mass, volume, or concentration for preparing a solution.
≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature 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.
| Pubchem Sid | 488188786 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488188786 |
| Canonical Smiles | CC1=C(C=CC(=C1)C(=O)O)C(=O)O |
| IUPAC Name | 2-methylterephthalic acid |
| InChIKey | UFMBOFGKHIXOTA-UHFFFAOYSA-N |
| INCHI | 1S/C9H8O4/c1-5-4-6(8(10)11)2-3-7(5)9(12)13/h2-4H,1H3,(H,10,11)(H,12,13) |
| Isomeric SMILES | CC1=C(C=CC(=C1)C(=O)O)C(=O)O |
| Molecular Weight | 180.16 |
| Reaxy-Rn | 1953686 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1953686&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 | Benzenoids |
| Class | Benzene and substituted derivatives |
| Subclass | Benzoic acids and derivatives |
| Intermediate Tree Nodes | Phthalic acid and derivatives |
| Direct Parent | P-phthalic acid and derivatives |
| Alternative Parents | Benzoic acids Benzoyl derivatives Toluenes Dicarboxylic acids and derivatives Carboxylic acids Organooxygen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Para_phthalic_acid - Benzoic acid - Benzoyl - Toluene - Dicarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as p-phthalic acid and derivatives. These are compounds containing a benzene ring bearing a carboxylic acid group at ring carbon atoms 1 and 4. |
| 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 | Mar 17, 2026 | M303855 | |
| Certificate of Analysis | Mar 17, 2026 | M303855 | |
| Certificate of Analysis | Mar 17, 2026 | M303855 | |
| Certificate of Analysis | Oct 30, 2025 | M303855 | |
| Certificate of Analysis | Oct 30, 2025 | M303855 | |
| Certificate of Analysis | Oct 30, 2025 | M303855 | |
| Certificate of Analysis | Oct 30, 2025 | M303855 | |
| Certificate of Analysis | Oct 30, 2025 | M303855 | |
| Certificate of Analysis | Apr 30, 2025 | M303855 | |
| Certificate of Analysis | Apr 08, 2025 | M303855 | |
| Certificate of Analysis | Mar 10, 2025 | M303855 | |
| Certificate of Analysis | May 16, 2024 | M303855 | |
| Certificate of Analysis | Dec 09, 2022 | M303855 | |
| Certificate of Analysis | Dec 09, 2022 | M303855 | |
| Certificate of Analysis | Dec 09, 2022 | M303855 | |
| Certificate of Analysis | Dec 09, 2022 | M303855 | |
| Certificate of Analysis | Dec 09, 2022 | M303855 | |
| Certificate of Analysis | Feb 19, 2022 | M303855 | |
| Certificate of Analysis | Feb 19, 2022 | M303855 | |
| Certificate of Analysis | Feb 19, 2022 | M303855 |
| Refractive Index | 1.611 |
|---|---|
| Flash Point(°C) | 202.8ºC |
| Boil Point(°C) | 388.2ºC |
| Melt Point(°C) | 324℃ |
| Molecular Weight | 180.160 g/mol |
| XLogP3 | 1.300 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 180.042 Da |
| Monoisotopic Mass | 180.042 Da |
| Topological Polar Surface Area | 74.600 Ų |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 224.000 |
| 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. Xinzhao Jiang, Wei Wang, Jincheng Tang, Meng Han, Yichang Xu, Lichen Zhang, Jie Wu, Yiyang Huang, Zhouye Ding, Huiwen Sun, Kun Xi, Yong Gu, Liang Chen. (2023) Ligand-Screened Cerium-Based MOF Microcapsules Promote Nerve Regeneration via Mitochondrial Energy Supply. Advanced Science, [PMID:38037294] [10.1002/advs.202306780] |
| 2. Qiufan Sun, Yuxiang Zhu, Xiang Zhong, Meng Jiang, Yanchen Fan, Jianfeng Yao. (2022) Tuning Photoactive MIL-68(In) by Functionalized Ligands for Boosting Visible-Light Nitrogen Fixation. ACS Applied Materials & Interfaces, [PMID:36416066] [10.1021/acsami.2c17007] |
| 3. Guoxiang Yang, Longyang Wang, Chencheng Zhang, Ping Li, Hao Du, Yanjie Mao, Mengyi Qiu, Qiang Li, Derek Hao, Qi Wang. (2023) Novel graphene quantum dots modified NH2-MIL-125 photocatalytic composites for effective antibacterial property and mechanism insight. SEPARATION AND PURIFICATION TECHNOLOGY, [PMID:] [10.1016/j.seppur.2023.123433] |
| 4. Sheng Fan, Xinru Lu, Haoliang Li, Xiaodong Du, Xiaoyu Huang, Yao Ma, Juan Wang, Xueqin Tao, Zhi Dang, Guining Lu. (2022) Efficient removal of organophosphate esters by ligand functionalized MIL-101 (Fe): Modulated adsorption and DFT calculations. CHEMOSPHERE, [PMID:35561783] [10.1016/j.chemosphere.2022.134881] |
| 5. Jiao-Jiao Cao, Jin-Long Ge, Yan Gao, Bo-Kai Liao. (2025) Impact of amino and methyl groups on the loading capacity of UiO-66 for 8-hydroxyquinoline: an in-depth experimental and computational analysis. RSC Advances, 15 (26): (20570-20588). [PMID:40530311] [10.1039/D5RA02802G] |
| 6. Wen Li, Kaiming Ge, Ji-Na Hao, Yongsheng Li. (2025) Ordered-Pore-Structure Engineering of Dual-Emissive Lanthanide-Based Metal–Organic Frameworks for Boosting Sensing Performance of Tumor Marker. ANALYTICAL CHEMISTRY, [PMID:41261802] [10.1021/acs.analchem.5c02857] |