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0.1% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Desiccated,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 9 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Canonical Smiles | C1=CC(=CC=C1N=NC2=CC(=C(C=C2)O)C(=O)O)[N+](=O)[O-] |
|---|---|
| IUPAC Name | 2-hydroxy-5-[(4-nitrophenyl)diazenyl]benzoic acid |
| InChIKey | YVJPMMYYRNHJAU-UHFFFAOYSA-N |
| INCHI | 1S/C13H9N3O5/c17-12-6-3-9(7-11(12)13(18)19)15-14-8-1-4-10(5-2-8)16(20)21/h1-7,17H,(H,18,19) |
| Isomeric SMILES | C1=CC(=CC=C1N=NC2=CC(=C(C=C2)O)C(=O)O)[N+](=O)[O-] |
| Molecular Weight | 287.23 |
| Reaxy-Rn | 962365 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=962365&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 | Organoheterocyclic compounds |
| Class | Azobenzenes |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Azobenzenes |
| Alternative Parents | Salicylic acids Benzoic acids Nitrobenzenes Benzoyl derivatives Nitroaromatic compounds 1-hydroxy-2-unsubstituted benzenoids Vinylogous acids Azo compounds Propargyl-type 1,3-dipolar organic compounds Organic oxoazanium compounds Carboxylic acids Monocarboxylic acids and derivatives Hydrocarbon derivatives Organic oxides Organic salts Organic zwitterions Organooxygen compounds Organopnictogen compounds |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Azobenzene - Hydroxybenzoic acid - Salicylic acid or derivatives - Salicylic acid - Benzoic acid or derivatives - Benzoic acid - Nitrobenzene - Nitroaromatic compound - Benzoyl - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Benzenoid - Monocyclic benzene moiety - Vinylogous acid - Organic nitro compound - C-nitro compound - Azo compound - Organic 1,3-dipolar compound - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Propargyl-type 1,3-dipolar organic compound - Allyl-type 1,3-dipolar organic compound - Organic oxoazanium - Hydrocarbon derivative - Organic oxygen compound - Organic salt - Organopnictogen compound - Organic oxide - Organonitrogen compound - Organooxygen compound - Organic zwitterion - Organic nitrogen compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as azobenzenes. These are organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to a benzene ring. |
| 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 | May 21, 2025 | A299162 |
| Molecular Weight | 287.230 g/mol |
|---|---|
| XLogP3 | 4.100 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 3 |
| Exact Mass | 287.054 Da |
| Monoisotopic Mass | 287.054 Da |
| Topological Polar Surface Area | 128.000 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 415.000 |
| 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. Han-Qing Zhao, Nannan Hou, Yi-Ran Wang, Wen-Qiang Li, Qi Liu, Peili Lu, Yang Mu. (2022) Carbon nanotubes mediated chemical and biological decolorization of azo dye: Understanding the structure-activity relationship. ENVIRONMENTAL RESEARCH, [PMID:35151661] [10.1016/j.envres.2022.112897] |
| 2. Fangke Yu, Yang Chen, Yuwei Pan, Yang Yang, Hongrui Ma. (2020) A cost-effective production of hydrogen peroxide via improved mass transfer of oxygen for electro-Fenton process using the vertical flow reactor. SEPARATION AND PURIFICATION TECHNOLOGY, [PMID:] [10.1016/j.seppur.2020.116695] |
| 3. Muhammad Usman, Adeel Ahmed, Bing Yu, Qiaohong Peng, Youqing Shen, Hailin Cong. (2019) Photocatalytic potential of bio-engineered copper nanoparticles synthesized from Ficus carica extract for the degradation of toxic organic dye from waste water: Growth mechanism and study of parameter affecting the degradation performance. MATERIALS RESEARCH BULLETIN, [PMID:] [10.1016/j.materresbull.2019.110583] |
| 4. Hailong Liu, Ruixue Sun, Shengyu Feng, Dengxu Wang, Hongzhi Liu. (2018) Rapid synthesis of a silsesquioxane-based disulfide-linked polymer for selective removal of cationic dyes from aqueous solutions. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2018.11.148] |
| 5. Yuefei Song, Qihua Hu, Tiemei Li, Yueke Sun, Xinxin Chen, Jing Fan. (2018) Fabrication and characterization of phosphorylated chitosan nanofiltration membranes with tunable surface charges and improved selectivities. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2018.07.010] |
| 6. Yuanzhen Zhou, Weimin Tang, Jing Wang, Guo Zhang, Shouning Chai, Liang Zhang, Ting Liu. (2014) Selective determination of dopamine and uric acid using electrochemical sensor based on poly(alizarin yellow R) film-modified electrode. Analytical Methods, 6 (10): (3474-3481). [PMID:] [10.1039/C3AY42216J] |
| 7. Sanchuan Yu, Yinping Zheng, Qing Zhou, Shi Shuai, Zhenhua Lü, Congjie Gao. (2012) Facile modification of polypropylene hollow fiber microfiltration membranes for nanofiltration. DESALINATION, [PMID:] [10.1016/j.desal.2012.04.027] |
| 8. Meihong Liu, Guohua Yao, Qibo Cheng, Miao Ma, Sanchuan Yu, Congjie Gao. (2012) Acid stable thin-film composite membrane for nanofiltration prepared from naphthalene-1,3,6-trisulfonylchloride (NTSC) and piperazine (PIP). JOURNAL OF MEMBRANE SCIENCE, [PMID:] [10.1016/j.memsci.2012.04.043] |
| 9. Alotibi Satam. (2024) Unveiling the Synthesis of a Zirconium-Substituted Copper Bismuth Oxide Catalyst for Visible Light-Responsive Photocatalytic Degradation of Persistent Organic Dye. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING, [PMID:] [10.1007/s13369-024-09700-4] |