≥98%(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C 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 18 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504751928 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504751928 |
| Canonical Smiles | C1=CC=C(C=C1)C(=O)NO |
| IUPAC Name | N-hydroxybenzamide |
| InChIKey | VDEUYMSGMPQMIK-UHFFFAOYSA-N |
| INCHI | 1S/C7H7NO2/c9-7(8-10)6-4-2-1-3-5-6/h1-5,10H,(H,8,9) |
| Isomeric SMILES | C1=CC=C(C=C1)C(=O)NO |
| WGK Germany | 3 |
| RTECS | DF9650000 |
| Molecular Weight | 137.14 |
| Reaxy-Rn | 1907585 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1907585&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 | Not available |
| Direct Parent | Benzoic acids and derivatives |
| Alternative Parents | Benzoyl derivatives Hydroxamic acids Organopnictogen compounds Organooxygen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Benzoic acid or derivatives - Benzoyl - Hydroxamic acid - Carboxylic acid derivative - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as benzoic acids and derivatives. These are organic compounds containing a carboxylic acid substituent attached to a benzene ring. |
| External Descriptors | Not available |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 E2615502 | Certificate of Analysis | Apr 27, 2026 | B152659 |
| E2615483 | Certificate of Analysis | Apr 27, 2026 | B152659 |
| E2615500 | Certificate of Analysis | Apr 27, 2026 | B152659 |
| E2615501 | Certificate of Analysis | Apr 27, 2026 | B152659 |
| I2523164 | Certificate of Analysis | Sep 11, 2025 | B152659 |
| I2523170 | Certificate of Analysis | Sep 11, 2025 | B152659 |
| I2523173 | Certificate of Analysis | Sep 11, 2025 | B152659 |
| I2523176 | Certificate of Analysis | Sep 11, 2025 | B152659 |
| I2523179 | Certificate of Analysis | Sep 11, 2025 | B152659 |
| L2106127 | Certificate of Analysis | Sep 09, 2025 | B152659 |
| D2524145 | Certificate of Analysis | Apr 10, 2025 | B152659 |
| D2524144 | Certificate of Analysis | Apr 10, 2025 | B152659 |
| D2524143 | Certificate of Analysis | Apr 10, 2025 | B152659 |
| D2524142 | Certificate of Analysis | Apr 10, 2025 | B152659 |
| H2408187 | Certificate of Analysis | Jul 26, 2024 | B152659 |
| H2408188 | Certificate of Analysis | Jul 26, 2024 | B152659 |
| H2408225 | Certificate of Analysis | Jul 26, 2024 | B152659 |
| D2016118 | Certificate of Analysis | Feb 05, 2024 | B152659 |
| L2306245 | Certificate of Analysis | Nov 25, 2023 | B152659 |
| L2306246 | Certificate of Analysis | Nov 25, 2023 | B152659 |
| L2306247 | Certificate of Analysis | Nov 25, 2023 | B152659 |
| L2306248 | Certificate of Analysis | Nov 25, 2023 | B152659 |
| L2206272 | Certificate of Analysis | Oct 25, 2022 | B152659 |
| L2206274 | Certificate of Analysis | Oct 25, 2022 | B152659 |
| L2206277 | Certificate of Analysis | Oct 25, 2022 | B152659 |
| L2206280 | Certificate of Analysis | Oct 25, 2022 | B152659 |
| L2206281 | Certificate of Analysis | Oct 25, 2022 | B152659 |
| F2228158 | Certificate of Analysis | Jul 01, 2022 | B152659 |
| F2228155 | Certificate of Analysis | Jul 01, 2022 | B152659 |
| F2228152 | Certificate of Analysis | Jul 01, 2022 | B152659 |
| F2228144 | Certificate of Analysis | Jul 01, 2022 | B152659 |
| C2203064 | Certificate of Analysis | Mar 15, 2022 | B152659 |
| Solubility | Soluble in alcohol. Slightly soluble in ether. Insoluble in benzene. |
|---|---|
| Sensitivity | Air sensitive |
| Melt Point(°C) | 124 °C(dec.) |
| Molecular Weight | 137.140 g/mol |
| XLogP3 | 0.300 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 137.048 Da |
| Monoisotopic Mass | 137.048 Da |
| Topological Polar Surface Area | 49.300 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 119.000 |
| 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. Kuixin Cui, Shengming Jin, Nan Duan. (2023) Insights into the adsorption mechanism of benzohydroxamic acid in the flotation of rhodochrosite with Pb2+ activation. POWDER TECHNOLOGY, [PMID:] [10.1016/j.powtec.2023.118705] |
| 2. Mengke Li, Zhiguo He, Hui Zhong, Wei Sun, Mingqiang Ye, Yihui Zhou. (2022) A novel multi-components hierarchical porous composite prepared from solid wastes for benzohydroxamic acid degradation. JOURNAL OF COLLOID AND INTERFACE SCIENCE, [PMID:36347098] [10.1016/j.jcis.2022.10.124] |
| 3. Ruolin Wang, Wenjuan Sun, Haisheng Han, Wei Sun, Zhao Wei, Jian Peng. (2022) Al-caustic starch coordination compounds: A new depressant for fine calcite. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2022.129268] |
| 4. Xinyang Yu, Ruirui Zhang, Yuhui Zeng, Chen Cheng, Zhiqiang Huang, Jinliang Wang, Guichun He, Haolin Wang. (2021) The effect and mechanism of cinnamic hydroxamic acid as a collector in flotation separation of malachite and calcite. MINERALS ENGINEERING, [PMID:] [10.1016/j.mineng.2021.106847] |
| 5. Zheyu Huang, Jingzhong Kuang, Luping Zhu, Weiquan Yuan, Zhilei Zou. (2021) Effect of ultrasonication on the separation kinetics of scheelite and calcite. MINERALS ENGINEERING, [PMID:] [10.1016/j.mineng.2020.106762] |
| 6. Shiman Zhu, Liuyi Ren, Shenxu Bao, Yimin Zhang, Bo Chen. (2024) Effect of different particle size fractions on flotation separation of fine rutile from garnet. ADVANCED POWDER TECHNOLOGY, [PMID:] [10.1016/j.apt.2024.104396] |
| 7. Yuqi Miao, Jianyong He, Xinran Zhu, Guangli Zhu, Shaohang Cao, Guixia Fan, Guosheng Li, Yijun Cao. (2024) Hardness of surface hydroxyls and its pivotal role in the flotation of cassiterite from quartz via lead ions activation. SEPARATION AND PURIFICATION TECHNOLOGY, [PMID:] [10.1016/j.seppur.2024.127565] |
| 8. Longfu Dai, Jian Liu, Deqiang Luo, Runpeng Liao, Da Li. (2024) Investigation of the adsorption mechanism of an eco-friendly surfactant LMAC on rutile surface: A novel insight. SEPARATION AND PURIFICATION TECHNOLOGY, [PMID:] [10.1016/j.seppur.2024.129484] |
| 9. Rui Li, Yanhai Shao, Jinhui Li, Chenjie Liu, Hongqin Chen, Xiao Meng, Xinru Jia. (2024) Mechanism of Efficient Smithsonite Flotation with a Ternary Composite Collector Under Sulfur-Free Conditions. MOLECULES, 29 (24): (6014). [PMID:39770102] [10.3390/molecules29246014] |
| 10. Jiang Hanxiang, Qi Jiangfeng, Wang Jiwen, Chen Jiaqin, Feng Dong, Yang Junbiao, Liu Xinna, Liu Mengqun, Zhou Xvzhe, An Zhilong, Lu Yuanyuan, Ge Chun, Wang Ying. (2025) Terramide A: a novel ironophore targeting Acinetobacter baumannii with mechanistic insights into bacterial iron deprivation. JOURNAL OF ANTIBIOTICS, [PMID:40164737] [10.1038/s41429-025-00816-9] |
| 11. Zheyu Huang, Jingzhong Kuang, Tingsheng Qiu, Mingming Yu. (2025) Effect of metal phenolic networks constructed via tannic acid coordination with Fe³ ⁺ on scheelite/calcite flotation selectivity. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2025.138240] |
| 12. Jiaqiao Yuan, Xiang Gong, Hongyu Lu, Wei Jiang, Hao Lai, Shuming Wen, Shaojun Bai, Dandan Wu. (2025) Adsorption mechanism of a novel collector (2-ethylhexyl) phosphonic acid mono-2-ethylhexyl ester for selective flotation separation of ilmenite from titanaugite. MINERALS ENGINEERING, [PMID:] [10.1016/j.mineng.2025.109340] |
| 13. Yuanbo Zhang, Hua Chen, Zijian Su, Zhidong Jiang, Kaiao Shen. (2025) Adsorption mechanisms of benzohydroxamic acid and sodium oleate on calcium stannate: Combined experimental and DFT study for enhancing flotation recovery. Journal of Environmental Chemical Engineering, [PMID:] [10.1016/j.jece.2025.117059] |
| 14. Jieyi Wang, Hairong Shen, Mengke Li, Chenquan Ni, Hui Zhong, Zhiguo He. (2025) Sulfurization-derived Fe3S4 in copper tailings as a peroxymonosulfate activator for efficient salicylhydroxamic acid degradation. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2025.170913] |
| 15. Chang Shen, Xiong Tong, Jing Qi, Xian Xie, Ruiqi Xie. (2025) Selective separation of cassiterite from quartz using (2-ethylhexyl) phosphonic acid mono-2-ethylhexyl ester. APPLIED SURFACE SCIENCE, [PMID:] [10.1016/j.apsusc.2025.165398] |
| 16. Yiping Wang, Tao Liu, Yimin Zhang, Nannan Xue, Pengcheng Hu. (2025) Enhanced pH adaptability in vanadium solvent extraction: Synergistic coordination of octanohydroxamate and D2EHPA for efficient extraction at low pH. Journal of Environmental Chemical Engineering, 14 (1): (120757). [PMID:] [10.1016/j.jece.2025.120757] |
| 17. Zheyu Huang, Jingzhong Kuang, Tingsheng Qiu, Mingming Yu. (2026) Mechanisms of Ligand Structures of Fe-Salicylic Acid and Fe-Gallic Acid Colloidal Complexes Regulating the Flotation Behavior of Scheelite with Calcite. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2026.139507] |
| 18. Jieliang Wang, Xiaobin Zhong, Wenqiang Zhu, Jing Lv, Qin Zhang, Zhiyong Gao, Zhao Cao. (2026) Unraveling interfacial interaction mechanism: Towards selective depression of ankerite by carboxymethyl cellulose in columbite flotation. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2026.139804] |
