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Sodium sulfide (Na2(S4))

CAS 12034-39-8

Used in 4 industrial sectors tracked by the EPA.

Molecular structure of 12034-39-8
2 Na⁺
US production2.9M lb
Import value, 2024$14M
Import volumeZero
Import dependency0%
Top sourceMexico 79%

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 283010 · narrow

EPA reports by year
2023
US production 2.9M lb · Imports Zero
2019
US production 7.0M lb · Imports Zero

These shares come from HS customs code 283010, which covers 4 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
MX 79%MexicoCN 11%ChinaSG 7%SingaporeAT 2%AustriaJP 1%Japan
EPA-registered manufacturers (2)
Evonik
Henkel

Why It Matters

Sectors
ElectronicsTransportationMetals & MiningCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 6 sectors as 2 functional roles.

  • •Intermediate in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant
  • •Cleaning agent in Computer and Electronic Product Manufacturing (3%)Processing—incorporation into formulation, mixture, or reaction product
  • •Cleaning agent in Machinery Manufacturing (3%)Processing—incorporation into formulation, mixture, or reaction product
  • •Cleaning agent in Fabricated Metal Product Manufacturing (57%)Processing—incorporation into formulation, mixture, or reaction product
  • •Cleaning agent in Electrical Equipment, Appliance, and Component Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
  • •Cleaning agent in Transportation Equipment Manufacturing (37%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS12034-39-8
PubChem CID82835
DTXSIDDTXSID1065186
FormulaNa2S4
Mol. Weight174.2 g/mol
SMILES[Na+].[Na+].[S-]SS[S-]

Data Sources

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Brief citations

Sodium sulfide (Na2(S4)) (CAS 12034-39-8) https://chemicalindependence.com/chemical/12034-39-8/ EPA CompTox (DSSTox): DTXSID1065186. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1065186 PubChem: 82835. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/82835 EPA Chemical Data Reporting: 12034-39-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12034-39-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283010 for CAS 12034-39-8. Reporting year: 2024. https://usatrade.census.gov/