Sulfurous acid, magnesium salt (2:1)

Used in 6 industrial sectors tracked by the EPA.

US Production88.5M lbs

Import VolumeZero

Import Dependency0%

Where It Comes From

Customs basis: HS 283220 · basket

This chemical's HS customs code 283220 covers 7chemicals in total. US Census does not break out this chemical's share of that bucket, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

EPA-registered manufacturers (2)

Cosmo Specialty Fibers

Hydrite Chemical

Why It Matters

Sectors

AgricultureFoodWaterMetals & MiningPaper & PrintingCore Chemicals

Downstream UsesNo data available

FDA Shortage Status

No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

•Oxidizing/reducing agents in Paper Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS13774-25-9

PubChem CID10130272

DTXSIDDTXSID40889619

FormulaH2MgO6S2

Mol. Weight186.45 g/mol

SMILESOS(=O)[O-].OS(=O)[O-].[Mg+2]

Data Sources

DTXSID408896192026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

101302722026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/10130272/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/10130272.json

13774-25-92026-04-24

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

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

CAS 13774-25-92026-04-25

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

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

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