≥80%, indicator for metal titration 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 11 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504756707 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504756707 |
| Canonical Smiles | C1=CC=C2C(=C1)C(=CC(=C2N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-])O)S(=O)(=O)[O-].[Na+].[Na+].[Na+] |
| IUPAC Name | trisodium;3-hydroxy-4-[(2-hydroxy-4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonate |
| InChIKey | AUIINJJXRXMPGT-UHFFFAOYSA-K |
| INCHI | 1S/C20H14N2O11S3.3Na/c23-15-9-16(35(28,29)30)13-3-1-2-4-14(13)18(15)21-22-19-12-6-5-11(34(25,26)27)7-10(12)8-17(20(19)24)36(31,32)33;;;/h1-9,23-24H,(H,25,26,27)(H,28,29,30)(H,31,32,33);;;/q;3*+1/p-3 |
| Isomeric SMILES | C1=CC=C2C(=C1)C(=CC(=C2N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-])O)S(=O)(=O)[O-].[Na+].[Na+].[Na+] |
| WGK Germany | 3 |
| PubChem CID | 113232 |
| Molecular Weight | 620.47 |
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 | Naphthalenes |
| Subclass | 1,1'-azonaphthalenes |
| Intermediate Tree Nodes | Not available |
| Direct Parent | 1,1'-azonaphthalenes |
| Alternative Parents | 2-naphthalene sulfonic acids and derivatives 2-naphthalene sulfonates 1-naphthalene sulfonic acids and derivatives 1-naphthalene sulfonates 1-sulfo,2-unsubstituted aromatic compounds Phenoxides Sulfonyls Organosulfonic acids Azo compounds Propargyl-type 1,3-dipolar organic compounds Organooxygen compounds Organic sodium salts Organic oxides Hydrocarbon derivatives Organic cations |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | 1,1'-azonaphthalene - Naphthalene sulfonate - 1-naphthalene sulfonic acid or derivatives - 2-naphthalene sulfonic acid or derivatives - Naphthalene sulfonic acid or derivatives - 1-naphthalene sulfonate - 2-naphthalene sulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Phenoxide - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Azo compound - Organic alkali metal salt - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic sodium salt - Hydrocarbon derivative - Organic oxide - Organonitrogen compound - Organic nitrogen compound - Organic oxygen compound - Organosulfur compound - Organooxygen compound - Organic salt - Organic cation - Aromatic homopolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as 1,1'-azonaphthalenes. These are organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to the 1-position of a naphthalene ring system. Naphthalene is a compound made up of two fused benzene rings. |
| 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 |
|---|---|---|---|
 L2512090 | Certificate of Analysis | Dec 19, 2025 | H196967 |
| K2104524 | Certificate of Analysis | Aug 12, 2025 | H196967 |
| K2104585 | Certificate of Analysis | Aug 12, 2025 | H196967 |
| K2104592 | Certificate of Analysis | Aug 12, 2025 | H196967 |
| Molecular Weight | 620.500 g/mol |
|---|---|
| XLogP3 | |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 13 |
| Rotatable Bond Count | 2 |
| Exact Mass | 619.922 Da |
| Monoisotopic Mass | 619.922 Da |
| Topological Polar Surface Area | 262.000 Ų |
| Heavy Atom Count | 39 |
| Formal Charge | 0 |
| Complexity | 1120.000 |
| 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 | 4 |
| 1. Li Meng, Mingzhong Li, Zhenyu Xu, Aman Lv, Yanwei Jia, Meiwan Chen, Pui-In Mak, Rui P. Martins, Man-Kay Law. (2023) Absolute Quantification of Nucleic Acid on Digital Microfluidics Platform Based on Superhydrophobic–Superhydrophilic Micropatterning. SENSORS AND ACTUATORS B-CHEMICAL, [PMID:] [10.1016/j.snb.2023.135079] |
| 2. Ling Deng, Xiaoyi He, Ke Liu, Yuanli Li, Han Xia, Hang Qian, Xiaoxue Lu, Xuhu Mao, Yang Xiang. (2023) One-pot RPA-Cas12a assay for instant and visual detection of Burkholderia pseudomallei. ANALYTICA CHIMICA ACTA, [PMID:36935157] [10.1016/j.aca.2023.341059] |
| 3. Sheng Li, Wenlong Guo, Minmin Xiao, Yulin Chen, Xinyi Luo, Wenfei Xu, Jianhua Zhou, Jiasi Wang. (2023) Rapid and Sensitive Diagnosis of COVID-19 Using an Electricity-Free Self-Testing System. Biosensors-Basel, 13 (2): (180). [PMID:36831946] [10.3390/bios13020180] |
| 4. Qin Xiong, Linlin Zhang, Xinyue Zheng, Yulin Qian, Yaxin Zhang, Lijuan Zhao, Qiang Cheng. (2021) Rapid and Specific Detection of the Poplar Black Spot Disease Caused by Marssonina brunnea Using Loop-Mediated Isothermal Amplification Assay. Plants-Basel, 10 (2): (253). [PMID:33525490] [10.3390/plants10020253] |
| 5. Shuangshuang Cui, Yong Wei, Can Li, Jian Zhang, Yunfeng Zhao, Xiayu Peng, Fengxia Sun. (2024) Visual Loop-Mediated Isothermal Amplification (LAMP) Assay for Rapid On-Site Detection of Escherichia coli O157: H7 in Milk Products. Foods, 13 (13): (2143). [PMID:38998648] [10.3390/foods13132143] |
| 6. Li Meng, Mingzhong Li, Zhenyu Xu, Tianlan Chen, Meiwan Chen, Joana Vaz Pinto, Bruno Veigas, Man-Kay Law. (2025) High-Resolution Melting Curve Analysis with Linear Temperature Gradient in Digital Microfluidics Platform. SENSORS AND ACTUATORS B-CHEMICAL, [PMID:] [10.1016/j.snb.2025.138553] |
| 7. Yingying Chen, Zipeng Guo, Zhaoqing Sun, Xinyu Wu, Yifan Xu, Zhengye Jin, Yuying Cheng, Zhen She, Qianqian Jiang, Yuxin Wo, Ting Wu, Hongwang Liu, Meihui Liu, Yulu Liu, Enjie Diao, Dengchao Li, Ruifeng Mao. (2024) Closed-tube saltatory rolling circle amplification assay for rapid and visual detection of allergenic cashew nut in foods. FOOD CONTROL, [PMID:] [10.1016/j.foodcont.2024.110769] |
| 8. Chen Jiajia, Huang Xiaoxiao, Peng Jinfeng, Chen Yuanyuan, Gafforov Yusufjon, Xing Yifan, Yu Jian. (2025) Loop-mediated isothermal amplification assay for sensitive and rapid detection of Globisporangium recalcitrans. AUSTRALASIAN PLANT PATHOLOGY, [PMID:] [10.1007/s13313-025-01041-6] |
| 9. Xin Li, Mingxue Zhu, Siyuan Wang, Weijia Li, Baohong Ren, Lingbo Qu, Xiaoling Zhang. (2025) Loop-Mediated Isothermal Amplification for Detecting Four Major Foodborne Pathogens in Meat and Meat Products. Foods, 14 (13): (2321). [PMID:40647072] [10.3390/foods14132321] |
| 10. Yanghe Liu, Sijie Yin, Shiyue Chen, Chunlei Zhang, Nasifu Lubanga, Ping Tai, Mengqiu Xiong, Boyue Fan, Xincheng Yang, Xinyi Xia, PanFei Hou, Bangshun He. (2025) Rapid detection of Helicobacter pylori and its virulence genes by fluorescence-chromogenic double-indicator LAMP (FC-LAMP). CLINICA CHIMICA ACTA, [PMID:41106583] [10.1016/j.cca.2025.120667] |
| 11. Xiangrong Zheng,Jian Yu,Jinfeng Peng,Xiuwen Qiu,Yaya Sun,Danyang Fu,Yusufjon Gafforov,Ali Chenari Bouket,Jiajia Chen. (2025) Loop-mediated Isothermal Amplification Assay for Rapid Diagnosis Soybean Damping-off Disease Caused by Globisporangium intermedium. Frontiers in Cellular and Infection Microbiology, [PMID:41625155] [10.3389/fcimb.2025.1750739] |
