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PrimorTrace™, ≥99.999% metals basis PrimorTrace™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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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.
Selenous acid is a dibasic acid. It is the oxoacid of selenium and can be formed by adding selenium dioxide gas to water. Selenous acid shows analogy to sulfurous acid. As a crystalline solid, the molecules are arranged in a pyramid and in a solution it behaves as a diprotic acid.
| Sonrisas canónicas | O[Se](=O)O |
|---|---|
| IUPAC Name | selenous acid |
| InChIKey | MCAHWIHFGHIESP-UHFFFAOYSA-N |
| INCHI | 1S/H2O3Se/c1-4(2)3/h(H2,1,2,3) |
| Isómeros SMILES | O[Se](=O)O |
| WGK Alemania | 3 |
| RTECS | VS7175000 |
| Número ONU | 3283 |
| Grupo de embalaje | I |
| Peso molecular | 128.97 |
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 | Inorganic compounds |
|---|---|
| Superclass | Mixed metal/non-metal compounds |
| Clase | Other mixed metal/non-metal oxoanionic compounds |
| Subclass | Non-metal selenites |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Non-metal selenites |
| Alternative Parents | Inorganic oxides |
| Molecular Framework | Not available |
| Substituents | Non-metal selenite - Inorganic oxide |
| Descripción | This compound belongs to the class of inorganic compounds known as non-metal selenites. These are inorganic non-metallic compounds containing a selenite as its largest oxoanion. |
| External Descriptors | an anion |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Fecha | Articulo |
|---|---|---|---|
| Certificate of Analysis | Apr 27, 2025 | S475223 | |
| Certificate of Analysis | Apr 27, 2025 | S475223 | |
| Certificate of Analysis | Dec 09, 2024 | S475223 | |
| Certificate of Analysis | Dec 09, 2024 | S475223 | |
| Certificate of Analysis | Apr 18, 2024 | S475223 | |
| Certificate of Analysis | Apr 18, 2024 | S475223 | |
| Certificate of Analysis | Apr 18, 2024 | S475223 | |
| Certificate of Analysis | Apr 18, 2024 | S475223 | |
| Certificate of Analysis | Apr 18, 2024 | S475223 |
| Solubilidad | Soluble in water and ethanol. |
|---|---|
| Sensibilidad | Moisture sensitive |
| Punto de fusión (°C) | 70°C |
| Peso molecular | 128.990 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 129.917 Da |
| Monoisotopic Mass | 129.917 Da |
| Topological Polar Surface Area | 57.500 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 26.300 |
| 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. Min Xu, Xuan Zhang, Baowen Dong, Wenjuan Wang, Zhihuan Zhao. (2023) Sustained Release of Hydrogen by PdH-Te Nanozyme for Anti-Inflammatory Therapy Against Atherosclerosis. PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION, [PMID:] [10.1002/ppsc.202300135] |
| 2. Xiaoyang Liang, Ping Liu, Wen Li, Long Binh Vong, Tingting Wang, Lujing Geng, Yue Zhou, Siyu Wang, Qiang Lu, Fengping Tan, Xinxing Wang, Nan Li. (2022) Dysfunction of DNA repair for boosted tumor cell cycle arrest based on NIR-II biodegradable Te-prussian blue nanorod. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2022.140870] |
| 3. Peng-cheng Du, Zong-cai Tu, Hui Wang, Yue-ming Hu. (2020) Mechanism of Selenium Nanoparticles Inhibiting Advanced Glycation End Products. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, [PMID:32866004] [10.1021/acs.jafc.0c03229] |
| 4. Bei Kang, Haobo Wang, Huaqing Jing, Yunsheng Dou, Sona Krizkova, Zbynek Heger, Vojtech Adam, Nan Li. (2024) “Golgi-customized Trojan horse” nanodiamonds impair GLUT1 plasma membrane localization and inhibit tumor glycolysis. JOURNAL OF CONTROLLED RELEASE, [PMID:38789089] [10.1016/j.jconrel.2024.05.025] |
| 5. Haonan Wang, Pengtao Wang, Kaifeng Yu, Xiaofeng Wang, Jinpeng Cao, Pengcheng Jia, Yongzhi Yuan, Ce Liang. (2024) Constructing a rapid ion-transport anode interface protective layer for zinc ion batteries to suppress solvation and improve surface electronic structure. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2024.149544] |
| 6. Bin Zhong, Weijun Xu, Hancong Wu, Wei Xian, Ming Gong, Zhenqiang Wu. (2024) Differences in slow-release characteristics and release kinetics of three selenium nanoparticles from different synthesis strategies: Revealing the advantages synthesized by Lactiplantibacillus plantarum. Food Bioscience, [PMID:] [10.1016/j.fbio.2024.105307] |
| 7. Yan Wang, Shuai Pan, Wenqiong Zhang, Jinfeng Cai, Weijing Han, Zhaoqin Zhu. (2025) Photothermal Antibacterial Therapy of Near-Infrared II Region Laser Mediated by Gold Hollow Nanorod. LANGMUIR, [PMID:39994506] [10.1021/acs.langmuir.4c05164] |
| 8. Beng Ma, Ying Yu, Jiayi Li, Yunqi Zhang, Bo Sun, Anqi Ji, Kexing Song, Linlin Shi, Hao Hu, Shegan Gao, Haoyan Cheng. (2024) Temperature-Sensitive Polymer-Driven Nanomotors for Enhanced Tumor Penetration and Photothermal Therapy. Small, [PMID:39163609] [10.1002/smll.202403800] |
| 9. Xinyuan Cui, Cheng Cao, Wanting Hao, Xinni Pan, Yu Cao, Yanfei Fu, Huifang Hao, Yingao Jiao, Shujing Lin, Shengsheng Cui, Ruokun Li, Yanlei Liu, Fuhua Yan. (2025) A Nanoplatform of Reversing Tumor Immunosuppressive Microenvironment Based on the NIR-II Gold Hollow Nanorod for the Treatment of Hepatocellular Carcinoma. Small, [PMID:40130748] [10.1002/smll.202500144] |
| 10. Weiming You, Jun Feng, Litao Guo, Jin Yan, Siqi Yan. (2025) Selenium nanoparticle-delivered MDM2 inhibitor reactivates p53 and reprograms tumor immune microenvironment in colorectal cancer. Frontiers in Immunology, [PMID:41246348] [10.3389/fimmu.2025.1684611] |
| 11. Ruru Liu, Qunluo Cao, Heng Miao, Yuting Pei, Guoqing Wei, Yanfen Cheng, Xueran Geng, Junlong Meng, Mingchang Chang, Lijing Xu. (2026) Preparation and In Vitro Bioactivity Evaluation of Ganoderma lucidum Melanin-Stabilized Selenium Nanoparticles. Foods, 15 (2): (250). [PMID:41596849] [10.3390/foods15020250] |
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