Determine the necessary mass, volume, or concentration for preparing a solution.
≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,Argon charged,Desiccated 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 8 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
4,4'-Diaminoazobenzene is used in cross-linking studies of epoxy resins and the synthesis of surface relief holographic materials. It is used in synthesis of anthraquinone reactive dyes.
| Pubchem Sid | 488181200 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488181200 |
| Canonical Smiles | C1=CC(=CC=C1N)N=NC2=CC=C(C=C2)N |
| IUPAC Name | 4-[(4-aminophenyl)diazenyl]aniline |
| InChIKey | KQIKKETXZQDHGE-UHFFFAOYSA-N |
| INCHI | 1S/C12H12N4/c13-9-1-5-11(6-2-9)15-16-12-7-3-10(14)4-8-12/h1-8H,13-14H2 |
| Isomeric SMILES | C1=CC(=CC=C1N)N=NC2=CC=C(C=C2)N |
| UN Number | UN2811 |
| Packing Group | III |
| Molecular Weight | 212.25 |
| Reaxy-Rn | 745553 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=745553&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 | Aniline and substituted anilines Primary aromatic amines Azo compounds Propargyl-type 1,3-dipolar organic compounds Organopnictogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Azobenzene - Aniline or substituted anilines - Benzenoid - Primary aromatic amine - Monocyclic benzene moiety - Azo compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Primary amine - Organonitrogen compound - Amine - 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 | Jul 02, 2026 | A303930 | |
| Certificate of Analysis | Jul 02, 2026 | A303930 | |
| Certificate of Analysis | Jul 02, 2026 | A303930 | |
| Certificate of Analysis | Jul 02, 2026 | A303930 | |
| Certificate of Analysis | Dec 12, 2025 | A303930 | |
| Certificate of Analysis | Dec 12, 2025 | A303930 | |
| Certificate of Analysis | Dec 12, 2025 | A303930 | |
| Certificate of Analysis | Nov 28, 2025 | A303930 | |
| Certificate of Analysis | Nov 28, 2025 | A303930 | |
| Certificate of Analysis | Nov 28, 2025 | A303930 | |
| Certificate of Analysis | Aug 12, 2025 | A303930 | |
| Certificate of Analysis | Aug 12, 2025 | A303930 | |
| Certificate of Analysis | Jan 18, 2025 | A303930 | |
| Certificate of Analysis | Jan 18, 2025 | A303930 | |
| Certificate of Analysis | Jan 18, 2025 | A303930 | |
| Certificate of Analysis | Jan 18, 2025 | A303930 | |
| Certificate of Analysis | Jul 12, 2024 | A303930 | |
| Certificate of Analysis | Jul 12, 2024 | A303930 | |
| Certificate of Analysis | Jul 12, 2024 | A303930 | |
| Certificate of Analysis | Jun 29, 2024 | A303930 | |
| Certificate of Analysis | Jun 29, 2024 | A303930 | |
| Certificate of Analysis | Mar 11, 2024 | A303930 | |
| Certificate of Analysis | Nov 09, 2023 | A303930 | |
| Certificate of Analysis | Nov 09, 2023 | A303930 | |
| Certificate of Analysis | Nov 09, 2023 | A303930 | |
| Certificate of Analysis | Nov 09, 2023 | A303930 | |
| Certificate of Analysis | Oct 24, 2022 | A303930 | |
| Certificate of Analysis | Oct 24, 2022 | A303930 | |
| Certificate of Analysis | Mar 10, 2021 | A303930 |
| Solubility | Very soluble in ethanol. Insoluble in water. |
|---|---|
| Sensitivity | Air sensitive |
| Flash Point(°C) | 213ºC |
| Boil Point(°C) | 428.5ºC |
| Melt Point(°C) | 245ºC |
| Molecular Weight | 212.250 g/mol |
| XLogP3 | 2.700 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 212.106 Da |
| Monoisotopic Mass | 212.106 Da |
| Topological Polar Surface Area | 76.800 Ų |
| Heavy Atom Count | 16 |
| Formal Charge | 0 |
| Complexity | 201.000 |
| 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. Yongchun Pan, Xiaowei Luan, Fei Zeng, Xuyuan Wang, Shurong Qin, Qianglan Lu, Guanzhong He, Yanfeng Gao, Xiaolian Sun, Xin Han, Bangshun He, Yujun Song. (2023) Logic-gated tumor-microenvironment nanoamplifier enables targeted delivery of CRISPR/Cas9 for multimodal cancer therapy. Acta Pharmaceutica Sinica B, [PMID:38322334] [10.1016/j.apsb.2023.09.016] |
| 2. Sizhi Xu, Shunyan Ning, Xinpeng Wang, Feng Gao, Lifeng Chen, Xiangbiao Yin, Toyohisa Fujita, Yuezhou Wei. (2023) Silica-based covalent organic framework composite for efficient separation and enrichment of palladium and its heterogeneous catalysis application. SEPARATION AND PURIFICATION TECHNOLOGY, [PMID:] [10.1016/j.seppur.2023.124977] |
| 3. Shuangying Li, Qingxiang Zhou, Zhi Li, Menghua Liu, Yanhui Li, Chunmao Chen. (2023) Sensitive fluorescent probe based on combination of magnetic molecularly imprinted materials and carbon dots derived from prussian blue for p-aminoazobenzene in environmental samples. Journal of Cleaner Production, [PMID:] [10.1016/j.jclepro.2023.136827] |
| 4. Lin Xiaoxia, Zhang Haitao, Qin Yuqing, Hu Xiaohong. (2021) Design and Fabrication of Photo-Responsive Hydrogel for the Application of Functional Contact Lens. Frontiers in Materials, [PMID:] [10.3389/fmats.2021.680359] |
| 5. Lutong Bu, Shuangying Li, Linchun Nie, Liushan Jiang, Guangyu Dong, Denghao Song, Wenjing Liu, Xiaodie Geng, Dejing Meng, Qingxiang Zhou. (2024) Construction of fluorescent sensor array with nitrogen-doped carbon dots for sensing Sudan Orange G and identification of various azo compounds. JOURNAL OF COLLOID AND INTERFACE SCIENCE, [PMID:38640659] [10.1016/j.jcis.2024.04.109] |
| 6. Yitong Sun, Danyang Zhang, Guozhu Ren, Shihong Zhou, Long Tian, Liang Zhou. (2024) One-step solvothermal synthesis of Na-doped carbon quantum dots and concomitant photochromic small molecules. CHEMICAL PHYSICS LETTERS, [PMID:] [10.1016/j.cplett.2024.141114] |
| 7. Zhihao Wang, Qiuli Cheng, Xingda Jiang, Xinyang Chu, Bingcan Li, Leitao Zhang, Wenlan Wu, Junbo Li, Ravin Narain. (2024) pH/Hypoxia dual-stimuli responsive COF nanocarriers with reversible charge conversions for the accurate tumor-targeting and enhanced anticancer drug delivery. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2024.135277] |
| 8. Aiguo Feng, Libo Yang, Chengsong Zhong, Bihong Chen, Hao Chen, Jinyu Wu, Xiangbiao Yin, Xinpeng Wang. (2026) Construction of MOF-on-COF with multifunctional sites for efficient capture and sequestration of radioactive iodine in high-humidity environments. JOURNAL OF HAZARDOUS MATERIALS, [PMID:] [10.1016/j.jhazmat.2026.141904] |