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Sulfurous acid, strontium salt (1:1)

CAS 13451-02-0

Molecular structure of 13451-02-0
1 Sr²⁺
US productionNot reported
Import value, 2024$4M
Top sourceItaly 46%

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 unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 283220 · basket

These shares come from HS customs code 283220, which covers 11 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IT 46%ItalyCN 33%ChinaDE 18%GermanyIN 1%IndiaNZ 1%New Zealand

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS13451-02-0
PubChem CIDNot recorded
DTXSIDDTXSID20884607
FormulaO3SSr
Mol. Weight167.68 g/mol
SMILES[Sr++].[O-]S([O-])=O

Data Sources

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Brief citations

Sulfurous acid, strontium salt (1:1) (CAS 13451-02-0) https://chemicalindependence.com/chemical/13451-02-0/ EPA TSCA Inventory: CAS 13451-02-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 283220 for CAS 13451-02-0. Reporting year: 2024. https://usatrade.census.gov/