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2,5-Dimercapto-1,3,4-thiadiazole

CAS 1072-71-5

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

Molecular structure of 1072-71-5
US productionCBI
Import value, 2024$6.4B
Top sourceSingapore 36%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. 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 293499 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India
EPA-registered manufacturers (1)
Vanderbilt Chemicals
Domestic parents -- activity not disclosed (1)
The El
EPA-registered importers (4)
Italmatch Chemicals Spa · IT Italy
Aceto Us
R.T. Vanderbilt Holding
The Detrex

Why It Matters

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

Industrial Uses

Used in 3 sectors as 3 functional roles.

  • •Corrosion inhibitor in All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant
  • •Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in Miscellaneous Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.07/gAaron Chemicals LLC
CountryHong Kong
Pack$34.00 / 500 g
Purity98%
Vendors23 available

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

22 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.08500 g96%
Apollo Scientific USUnited Kingdom$0.12250 g95%
Fluorochem UKUnited Kingdom$0.14250 g95%
ChemsceneUnited States$0.161 kg—
Ambeed, Inc.United States$0.19500 g98%
AA BLOCKSUnited States$0.24500 g97%
A2B Chem LLCUnited States$0.30100 g90%
AK Scientific SpecializedUnited States$0.48100 g95%
AK Scientific, Inc.United States$0.66100 g98%
ALFA AESARGermany$0.87250 g97%
Angene International LimitedUnited States$1.37100 g98%
Sigma-Aldrich (Rush Stock)Germany$1.37100 g98%
Sigma-AldrichGermany$1.37100 g98%
MedChemExpress MCESweden$1.5025 g99.98%
InterbioscreenHong Kong$41.0010 g95%
Labotest KGGermany$217.805000 mg90%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg90%
Key Organics Ltd.United Kingdom$2740.0050 mg95%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
Vitas M Chemical LimitedHong Kong$3170.00100 mg90%
AngeneChina → Hong Kong$4266.6730 mg98%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS1072-71-5
PubChem CID2723630
DTXSIDDTXSID6040115
FormulaC2H2N2S3
Mol. Weight150.3 g/mol
SMILESC1(=S)NNC(=S)S1

Data Sources

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Brief citations

2,5-Dimercapto-1,3,4-thiadiazole (CAS 1072-71-5) https://chemicalindependence.com/chemical/1072-71-5/ EPA CompTox (DSSTox): DTXSID6040115. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6040115 PubChem: 2723630. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/2723630 EPA Chemical Data Reporting: 1072-71-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1072-71-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293499 for CAS 1072-71-5. Reporting year: 2024. https://usatrade.census.gov/