Ammonium thiosulfate

U.S. production volumes are classified as confidential business information.

Molecular structure of 7783-18-8
US ProductionCBI
Import Value$8M
Top SourceVietnam 77%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 283230 · narrow

These shares come from HS customs code 283230, which covers 6 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
VN 77%VietnamCN 13%ChinaIN 4%IndiaDE 2%GermanyTW 1%Taiwan
EPA-registered manufacturers (16)
Tessenderlo Group Nv/Sa · BE Belgium
Chs
Delek Us Holdings
East Penn Manufacturing
Hawkins
Show all 16
Hydrite Chemical
Jupiter Sulphur
Koch Industries
Marathon Petroleum
Martin Resource Management
Par Pacific Holdings
Pasadena Commodities International
Pvs Chemicals
Tessenderlo Kerley
Tessenderlo Kerley, Inc. - Eufaula Facility
Thatcher
EPA-registered importers (5)
Carestream Health
Helm Fertilizer
Koch Industries
Kodak Alaris
Yara North America

Why It Matters

Sectors
AgricultureEnergyMetals & MiningConsumer Products
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 5 sectors as 4 functional roles.

  • •Agricultural chemicals (non-pesticidal) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Agricultural chemicals (non-pesticidal) in Agriculture, Forestry, Fishing and Hunting (100%)Processing—repackaging
  • •Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing—repackaging
  • •Agricultural chemicals (non-pesticidal) in Wholesale and Retail Trade (100%)Processing—repackaging
  • •Soil amendments (fertilizers) in Agriculture, Forestry, Fishing and Hunting (86%)Processing—incorporation into formulation, mixture, or reaction product
  • •Photosensitive agent in Photographic Film, Paper, Plate, and Chemical Manufacturing (12%)Processing—incorporation into formulation, mixture, or reaction product
  • •Solids separation agents in Mining (except Oil and Gas) and support activities (60%)Processing as a reactant

Vendor Pricing

$0.08/gSigma-Aldrich (Rush Stock)
CountryGermany
Pack$208.82 / 2.5 kg
Purity98%
Vendors5 available

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

4 more vendors
VendorCountry$/gPackPurity
Sigma-AldrichGermany$0.082.5 kg98%
Combi-Blocks, Inc.United States$0.30500 g96%
AK Scientific SpecializedUnited States$0.51100 g95%
AK Scientific, Inc.United States$0.71100 g98%

Chemical Identity

CAS7783-18-8
PubChem CID6096946
DTXSIDDTXSID6029703
FormulaH8N2O3S2
Mol. Weight148.21 g/mol
SMILES[NH4+].[NH4+].[O-]S(=O)(=S)[O-]

Data Sources

DTXSID60297032026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

60969462026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6096946/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6096946.json

7783-18-82026-04-24

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

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

CAS 7783-18-82026-04-25

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

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

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