Dimethyl sulfite
CAS 616-42-2
Sulfurous acid, dimethyl ester
EPA and Census publish no US supply data for this chemical.
US productionNot reported
Top sourceNo public record
This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Vendor Pricing
$0.68/gA2B Chem LLC
CountryUnited States
Pack$339.00 / 500 g
Purity98%
Vendors13 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
12 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Sigma-Aldrich (Rush Stock) | Germany | $0.85 | 100 g | 99% |
| Sigma-Aldrich | Germany | $0.85 | 100 g | 99% |
| AA BLOCKS | United States | $0.89 | 500 g | 98% |
| Angene Chemical | China → Hong Kong | $0.92 | 100 g | 99% |
| Aaron Chemicals LLC | Hong Kong | $1.01 | 100 g | 99% |
| Combi-Blocks, Inc. | United States | $1.04 | 500 g | 98% |
| Fluorochem UK | United Kingdom | $1.34 | 100 g | 98% |
| Ambeed, Inc. | United States | $1.64 | 25 g | 98% |
| Fluorochem EU | Germany | $1.79 | 25 g | 98% |
| AK Scientific, Inc. | United States | $2.68 | 25 g | 99% |
| Angene International Limited | United States | $5.56 | 25 g | 99% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
Chemical Identity
CAS616-42-2
PubChem CIDNot recorded
DTXSIDDTXSID3060665
FormulaC2H6O3S
Mol. Weight110.13 g/mol
SMILESCOS(=O)OC
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Dimethyl sulfite (CAS 616-42-2) https://chemicalindependence.com/chemical/616-42-2/ EPA TSCA Inventory: CAS 616-42-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory