Determine the necessary mass, volume, or concentration for preparing a solution.
≥92% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Argon charged,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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504769026 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504769026 |
| Canonical Smiles | [NH4+].[NH4+].O.[O-]S(=O)[O-] |
| IUPAC Name | diazanium;sulfite;hydrate |
| InChIKey | ASPXBYAQZVXSNS-UHFFFAOYSA-N |
| INCHI | 1S/2H3N.H2O3S.H2O/c;;1-4(2)3;/h2*1H3;(H2,1,2,3);1H2 |
| Isomeric SMILES | [NH4+].[NH4+].O.[O-]S(=O)[O-] |
| WGK Germany | 3 |
| Molecular Weight | 134.16 |
| Reaxy-Rn | 16474117 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=16474117&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 →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 17, 2025 | A111146 | |
| Certificate of Analysis | Dec 17, 2025 | A111146 | |
| Certificate of Analysis | Dec 17, 2025 | A111146 | |
| Certificate of Analysis | Aug 14, 2024 | A111146 | |
| Certificate of Analysis | Aug 14, 2024 | A111146 | |
| Certificate of Analysis | Aug 14, 2024 | A111146 | |
| Certificate of Analysis | Aug 14, 2024 | A111146 | |
| Certificate of Analysis | Aug 14, 2024 | A111146 | |
| Certificate of Analysis | Aug 14, 2024 | A111146 | |
| Certificate of Analysis | Nov 24, 2023 | A111146 | |
| Certificate of Analysis | Nov 24, 2023 | A111146 | |
| Certificate of Analysis | Nov 24, 2023 | A111146 | |
| Certificate of Analysis | Nov 24, 2023 | A111146 | |
| Certificate of Analysis | Nov 24, 2023 | A111146 | |
| Certificate of Analysis | Oct 30, 2023 | A111146 | |
| Certificate of Analysis | Nov 25, 2022 | A111146 | |
| Certificate of Analysis | Nov 25, 2022 | A111146 | |
| Certificate of Analysis | Nov 25, 2022 | A111146 | |
| Certificate of Analysis | Jul 07, 2022 | A111146 | |
| Certificate of Analysis | Jan 18, 2022 | A111146 |
| Solubility | Soluble in water. Insoluble in acetone and alcohol |
|---|---|
| Sensitivity | Air Sensitive |
| Refractive Index | 1.515 |
| Melt Point(°C) | 60-70℃ |
| 1. Yongheng Xiong, Qin Zhong, Man Ou, Wei Cai, Shipeng Wan, Yang Yu, Shule Zhang. (2018) Efficient Inhibition of N2O during NO Absorption Process Using a CuO and (NH4)2SO3 Mixed Solution. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, [PMID:] [10.1021/acs.iecr.8b03307] |
| 2. Yongheng Xiong, Yiqing Zeng, Wei Cai, Shule Zhang, Jie Ding, Qin Zhong. (2018) Experimental study on reaction characteristics of NO in (NH4)2SO3 solution. JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, [PMID:] [10.1016/j.jiec.2018.05.010] |
| 3. Yuhang Jiao, Huijie Yan, Qingxin Meng, Shiling Jia, Shuang Liu, Huixuan Zhang, Zhongyu Fu. (2024) Polymerization of acrylonitrile in dimethyl carbonate: A kinetic and mechanistic study. POLYMER, [PMID:] [10.1016/j.polymer.2024.127878] |
| 4. Yu-Ning Hu, Di Chen, Tian-Yi Zhang, Jun Ding, Yu-Qi Feng. (2019) Use of ammonium sulfite as a post-column derivatization reagent for rapid detection and quantification of aldehydes by LC-MS. TALANTA, [PMID:31514828] [10.1016/j.talanta.2019.120172] |
| 5. Hao-ran XU, Wei-chao HUANG, A.V. RAVINDRA, Duc-lenh PHAN, Thi-quynh-xuan LE, Li-bo ZHANG, Shao-hua YIN. (2025) Efficient oxidation of thiosulfate in solution using multistage method. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, [PMID:] [10.1016/S1003-6326(25)66846-4] |