3-Amino-1,2,4-triazole-5-thiol

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

Molecular structure of 16691-43-3
US ProductionCBI
Import Value$1.4B
Top SourceIreland 33%

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 293399 · basket

These shares come from HS customs code 293399, which covers 48 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy
EPA-registered importers (4)
Aceto Us
Corteva
Mitsubishi Corp (Americas)
Pht International

Why It Matters

Sectors
AgricultureMetals & MiningCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 1 functional role.

  • Intermediate in Miscellaneous Manufacturing (100%)Processing as a reactant
  • Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant
  • Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.06/gAaron Chemicals LLC
CountryHong Kong
Pack$29.00 / 500 g
Purity99%
Vendors19 available

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

18 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina Hong Kong$0.07500 g99%
BLD Pharmatech GmbHGermany$0.13500 g95%
BLD Pharmatech Ltd.China$0.13500 g95%
AK Scientific SpecializedUnited States$0.13500 g95%
A2B Chem LLCUnited States$0.13500 g97%
Ambeed, Inc.United States$0.14500 g95%
Fluorochem EUGermany$0.16100 g97%
AA BLOCKSUnited States$0.17500 g97%
AK Scientific, Inc.United States$0.18500 g98%
Combi-Blocks, Inc.United States$0.30500 g96%
Angene International LimitedUnited States$0.34500 g98%
BLD Pharmatech Co., LimitedUnited States$0.36100 g95%
AstaTech (2 weeks)United States$1.6025 g97%
ALFA AESARGermany$5.2825 g97%
Vitas M Chemical LimitedHong Kong$310.001 g90%
HTS Biochemie InnovationenGermany$400.001 g95%
Key Organics Ltd.United Kingdom$1960.00100 mg90%
AngeneChina Hong Kong$4266.6730 mg99%

Chemical Identity

CAS16691-43-3
PubChem CID2723869
DTXSIDDTXSID7044849
FormulaC2H4N4S
Mol. Weight116.15 g/mol
SMILESC1(=NC(=S)NN1)N

Data Sources

DTXSID70448492026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

27238692026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/2723869/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/2723869.json

16691-43-32026-04-24

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

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

CAS 16691-43-32026-04-25

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

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