≥94% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 508816836 |
|---|---|
| Sorrisi canonici | [O-][W](=O)(=O)[O-].[K+].[K+] |
| IUPAC Name | dipotassium;dioxido(dioxo)tungsten |
| InChIKey | AAQNGTNRWPXMPB-UHFFFAOYSA-N |
| INCHI | 1S/2K.4O.W/q2*+1;;;2*-1; |
| Isomeri SMILES | [O-][W](=O)(=O)[O-].[K+].[K+] |
| WGK Germania | 1 |
| Peso molecolare | 326.03 |
| Reaxy-Rn | 11343343 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11343343&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 | Inorganic compounds |
|---|---|
| Superclass | Mixed metal/non-metal compounds |
| Classe | Alkali metal oxoanionic compounds |
| Subclass | Alkali metal tungstates |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Alkali metal tungstates |
| Alternative Parents | Miscellaneous tungstates Inorganic salts Inorganic oxides |
| Molecular Framework | Not available |
| Substituents | Tungstate - Alkali metal tungstate - Inorganic oxide - Inorganic salt |
| Descrizione | This compound belongs to the class of inorganic compounds known as alkali metal tungstates. These are inorganic compounds in which the largest oxoanion is tungstate, and in which the heaviest atom not in an oxoanion is an alkali metal. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Data | Oggetto |
|---|---|---|---|
 J2229293 | Certificate of Analysis | Aug 04, 2026 | P106143 |
| J2229325 | Certificate of Analysis | Aug 04, 2026 | P106143 |
| J2229419 | Certificate of Analysis | Aug 04, 2026 | P106143 |
| G2228287 | Certificate of Analysis | May 19, 2026 | P106143 |
| G2228288 | Certificate of Analysis | May 19, 2026 | P106143 |
| G2228289 | Certificate of Analysis | May 19, 2026 | P106143 |
| C2209241 | Certificate of Analysis | Dec 10, 2025 | P106143 |
| E2131061 | Certificate of Analysis | Mar 04, 2025 | P106143 |
| C1906057 | Certificate of Analysis | Dec 14, 2022 | P106143 |
| Sensibilità | Hygroscopic. |
|---|---|
| Punto di fusione (°C) | 921 °C |
| Peso molecolare | 326.030 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 325.858 Da |
| Monoisotopic Mass | 325.858 Da |
| Topological Polar Surface Area | 80.300 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 62.200 |
| 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 | 3 |
| 1. Xinyu Wang, Jicong Zhang, Ke Li, Bolin An, Yanyi Wang, Chao Zhong. (2022) Photocatalyst-mineralized biofilms as living bio-abiotic interfaces for single enzyme to whole-cell photocatalytic applications. Science Advances, 8 (18): [PMID:35522739] [10.1126/sciadv.abm7665] |
| 2. Xiaolin Wang, Ye Qiu, I-Ming Chou, Rongqing Zhang, Guanglai Li, Richen Zhong. (2020) Effects of pH and Salinity on the Hydrothermal Transport of Tungsten: Insights from In Situ Raman Spectroscopic Characterization of K2WO4-NaCl-HCl-CO2 Solutions at Temperatures up to 400°C. GEOFLUIDS, [PMID:] [10.1155/2020/2978984] |
| 3. Xiaolin Wang, Ye Qiu, Jianjun Lu, I-Ming Chou, Wenlan Zhang, Guanglai Li, Wenxuan Hu, Zhen Li, Richen Zhong. (2019) In situ Raman spectroscopic investigation of the hydrothermal speciation of tungsten: Implications for the ore-forming process. CHEMICAL GEOLOGY, [PMID:] [10.1016/j.chemgeo.2019.119299] |
| 4. Zhanwei Ma, Wenyan Wang, Ying Wu, Yiming He, Tinghua Wu. (2014) Oxidative Degradation of Chitosan to the Low Molecular Water-Soluble Chitosan over Peroxotungstate as Chemical Scissors. PLoS One, 9 (6): (e100743). [PMID:24971631] [10.1371/journal.pone.0100743] |
| 5. Niu Niu, Ying Zhang, Dong Sun, Jialong Zhang, Chuqi Zhang, Xiumin Li, Weiliang Tian, Feng Gao. (2026) Synergistic single-atom catalysis enables ultrasensitive electrochemical detection of luteolin. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2026.140208] |
| 6. Zhang Fan, Zhang Jinshun, Li Xu, Wang Qingji. (2026) Room-Temperature NH3 Sensor Capable of Fast Response and Humidity Resistance Based on In Situ Polymerized PANI/WO3. JOURNAL OF ELECTRONIC MATERIALS, [PMID:] [10.1007/s11664-026-12999-4] |
