≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C Ships Wet ice 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.
| Canonical Smiles | C=CS(=O)(=O)O |
|---|---|
| IUPAC Name | ethenesulfonic acid |
| InChIKey | NLVXSWCKKBEXTG-UHFFFAOYSA-N |
| INCHI | 1S/C2H4O3S/c1-2-6(3,4)5/h2H,1H2,(H,3,4,5) |
| Isomeric SMILES | C=CS(=O)(=O)O |
| PubChem CID | 62474 |
| Molecular Weight | 108.11 |
| Reaxy-Rn | 1743040 |
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 sulfonic acids and derivatives |
| Subclass | Organosulfonic acids and derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Organosulfonic acids |
| Alternative Parents | Sulfonyls Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Sulfonyl - Organosulfonic acid - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as organosulfonic acids. These are compounds containing the sulfonic acid group, which has the general structure RS(=O)2OH (R is not a hydrogen atom). |
| 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 |
|---|---|---|---|
 H2508780 | Certificate of Analysis | Jun 24, 2025 | V162942 |
| H2508781 | Certificate of Analysis | Jun 24, 2025 | V162942 |
| H2508782 | Certificate of Analysis | Jun 24, 2025 | V162942 |
| A2516067 | Certificate of Analysis | Mar 05, 2024 | V162942 |
| C2416007 | Certificate of Analysis | Mar 05, 2024 | V162942 |
| C2416010 | Certificate of Analysis | Mar 05, 2024 | V162942 |
| C2416013 | Certificate of Analysis | Mar 05, 2024 | V162942 |
| C2416026 | Certificate of Analysis | Mar 05, 2024 | V162942 |
| Sensitivity | Light Sensitive,Heat Sensitive |
|---|---|
| Refractive Index | 1.45 |
| Flash Point(°C) | 159°C(lit.) |
| Boil Point(°C) | 115 °C/0.75 mmHg |
| Molecular Weight | 108.120 g/mol |
| XLogP3 | -0.400 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 107.988 Da |
| Monoisotopic Mass | 107.988 Da |
| Topological Polar Surface Area | 62.800 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 125.000 |
| 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 |
