≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Crystals of tetramethylammonium hydrogen sulfate monohydrate generally exhibit ferroelectricity in the temperature range from -104 °C to 40 °C
| Pubchem Sid | 504757419 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504757419 |
| Canonical Smiles | C[N+](C)(C)C.OS(=O)(=O)[O-] |
| IUPAC Name | hydrogen sulfate;tetramethylazanium |
| InChIKey | DWTYPCUOWWOADE-UHFFFAOYSA-M |
| INCHI | 1S/C4H12N.H2O4S/c2*1-5(2,3)4/h1-4H3;(H2,1,2,3,4)/q+1;/p-1 |
| Isomeric SMILES | C[N+](C)(C)C.OS(=O)(=O)[O-] |
| WGK Germany | 3 |
| Alternate CAS | 207738-07-6 |
| PubChem CID | 157340 |
| Molecular Weight | 189.23 |
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 | Organic acids and derivatives |
| Class | Organic sulfuric acids and derivatives |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Organic sulfuric acids and derivatives |
| Alternative Parents | Tetraalkylammonium salts Organopnictogen compounds Organic salts Organic oxides Hydrocarbon derivatives Amines |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Tetraalkylammonium salt - Quaternary ammonium salt - Organic sulfuric acid or derivatives - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organic salt - Organonitrogen compound - Amine - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as organic sulfuric acids and derivatives. These are organic compounds containing the sulfuric acid or a derivative thereof. |
| 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 |
|---|---|---|---|
 F2615029 | Certificate of Analysis | Jun 25, 2026 | T301586 |
| E2614117 | Certificate of Analysis | May 23, 2026 | T301586 |
| G2214239 | Certificate of Analysis | Apr 07, 2026 | T301586 |
| G2214248 | Certificate of Analysis | Apr 07, 2026 | T301586 |
| G2214250 | Certificate of Analysis | Apr 07, 2026 | T301586 |
| G2214251 | Certificate of Analysis | Apr 07, 2026 | T301586 |
| G2131340 | Certificate of Analysis | Jun 20, 2025 | T301586 |
| G2131341 | Certificate of Analysis | Jun 20, 2025 | T301586 |
| G2131343 | Certificate of Analysis | Jun 17, 2025 | T301586 |
| G2131342 | Certificate of Analysis | Jun 17, 2025 | T301586 |
| F2518095 | Certificate of Analysis | Jun 06, 2022 | T301586 |
| Sensitivity | Moisture sensitive |
|---|---|
| Molecular Weight | 171.220 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 171.057 Da |
| Monoisotopic Mass | 171.057 Da |
| Topological Polar Surface Area | 85.800 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 95.100 |
| 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 | 2 |
