Sulfur dioxide

Used in 6 industrial sectors tracked by the EPA.

Molecular structure of 7446-09-5
US Production202.9M lbs
Import Value$75M
Import Volume5.1M lbs
Import Dependency2%
Top SourceChina 30%

Where It Comes From

Customs basis: HS 281129 · basket

These shares come from HS customs code 281129, which covers 8 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 30%ChinaAT 23%AustriaPL 9%PolandCA 8%CanadaCZ 8%Czech Republic
EPA-registered manufacturers (2)
Ineos Calabrian
Pvs Chemicals
EPA-registered importers (3)
Chemtrade Logistics · CA Canada
Chemtrade Holdco Us
Ponderay Newsprint

Why It Matters

Sectors
FoodWaterElectronicsMetals & MiningPaper & PrintingCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 6 sectors as 6 functional roles.

  • •Oxidizing/reducing agents in Mining (except Oil and Gas) and support activities (20%)Use—non-incorporative activities
  • •Oxidizing/reducing agents in Utilities (20%)Use—non-incorporative activities
  • •Bleaching agents in Paper Manufacturing (100%)Processing as a reactant
  • •Agricultural chemicals (non-pesticidal) in All Other Basic Organic Chemical Manufacturing (1%)Processing as a reactant
  • •Reducing agent in All Other Basic Inorganic Chemical Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
  • •Agricultural chemicals (non-pesticidal) in All Other Basic Inorganic Chemical Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in All Other Basic Inorganic Chemical Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
  • •Ion exchange agents in Electrical Equipment, Appliance, and Component Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$1.24/gA2B Chem LLC (1 week)
CountryUnited States
Pack$564.00 / 454 g
PurityNo data available
Vendors2 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

1 more vendor
VendorCountry$/gPackPurity
AA BLOCKS (1 week)United States$1.46454 g—

Chemical Identity

CAS7446-09-5
PubChem CID1119
DTXSIDDTXSID6029672
FormulaO2S
Mol. Weight64.07 g/mol
SMILESO=S=O

Data Sources

DTXSID60296722026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

11192026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/1119/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/1119.json

7446-09-52026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 7446-09-52026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv

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