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Dipotassium tetraiodomercurate

CAS 7783-33-7

Mercurate(2-), tetraiodo-, potassium (1:2), (T-4)-

Molecular structure of 7783-33-7
2 K⁺
US productionNot reported
Import value, 2024$323K
Top sourceArgentina 55%

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 285210 · basket

These shares come from HS customs code 285210, which covers 38 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
AR 55%ArgentinaIN 25%IndiaCN 13%ChinaGB 3%United KingdomCZ 2%Czech Republic

Why It Matters

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

Chemical Identity

CAS7783-33-7
PubChem CIDNot recorded
DTXSIDDTXSID30893684
FormulaHgI4K2
Mol. Weight786.4 g/mol
SMILES[K+].[K+].I[Hg--](I)(I)I

Data Sources

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Brief citations

Dipotassium tetraiodomercurate (CAS 7783-33-7) https://chemicalindependence.com/chemical/7783-33-7/ EPA TSCA Inventory: CAS 7783-33-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 285210 for CAS 7783-33-7. Reporting year: 2024. https://usatrade.census.gov/