Determine the necessary mass, volume, or concentration for preparing a solution.
≥95% 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488183505 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488183505 |
| Canonical Smiles | [O-]S(=O)(=S)[O-].[K+].[K+] |
| IUPAC Name | dipotassium;dioxido-oxo-sulfanylidene-λ6-sulfane |
| InChIKey | FGRVOLIFQGXPCT-UHFFFAOYSA-L |
| INCHI | 1S/2K.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2 |
| Isomeric SMILES | [O-]S(=O)(=S)[O-].[K+].[K+] |
| WGK Germany | 3 |
| PubChem CID | 61501 |
| Molecular Weight | 190.32 |
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 |
| Class | Alkali metal oxoanionic compounds |
| Subclass | Alkali metal thiosulfates |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Alkali metal thiosulfates |
| Alternative Parents | Inorganic sulfides Inorganic salts Inorganic oxides |
| Molecular Framework | Not available |
| Substituents | Alkali metal thiosulfate - Inorganic oxide - Inorganic sulfide - Inorganic salt |
| Description | This compound belongs to the class of inorganic compounds known as alkali metal thiosulfates. These are inorganic compounds in which the largest oxoanion is thiosulfate, 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 | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Dec 19, 2025 | P302100 | |
| Certificate of Analysis | Oct 29, 2025 | P302100 | |
| Certificate of Analysis | Oct 29, 2025 | P302100 | |
| Certificate of Analysis | Oct 22, 2025 | P302100 | |
| Certificate of Analysis | Sep 09, 2025 | P302100 | |
| Certificate of Analysis | Sep 09, 2025 | P302100 | |
| Certificate of Analysis | Sep 09, 2025 | P302100 | |
| Certificate of Analysis | Apr 01, 2025 | P302100 | |
| Certificate of Analysis | Mar 12, 2024 | P302100 | |
| Certificate of Analysis | Mar 12, 2024 | P302100 | |
| Certificate of Analysis | Mar 12, 2024 | P302100 | |
| Certificate of Analysis | Aug 24, 2022 | P302100 | |
| Certificate of Analysis | Aug 24, 2022 | P302100 | |
| Certificate of Analysis | Aug 24, 2022 | P302100 |
| Molecular Weight | 190.330 g/mol |
|---|---|
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 189.856 Da |
| Monoisotopic Mass | 189.856 Da |
| Topological Polar Surface Area | 104.000 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 82.600 |
| 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. Zixuan Ding, Peilin Wang, Zhenrun Li, Yupeng Guo, Qiang Ma. (2023) Sulfur dots/Au@Ag nanorods array-based polarized ECL sensor for the detection of thyroid cancer biomarker. TALANTA, [PMID:37437396] [10.1016/j.talanta.2023.124925] |
| 2. Wang Zhenglong, Shang Linbo, Chou I-Ming, Chen Chen, Zhou Yunhe, Li Jianguo, Jiang Ziqi, Gao Xinwei, Wan Ye. (2025) In situ Raman spectroscopic investigation of copper speciation in hydrothermal fluids at temperatures up to 300 °C. Acta Geochimica, [PMID:] [10.1007/s11631-025-00781-y] |