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Dinitrosopiperazine

CAS 140-79-4

Piperazine, 1,4-dinitroso-

Molecular structure of 140-79-4
US productionNot reported
Import value, 2024$7.6B
Top sourceIreland 61%

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 293359 · basket

These shares come from HS customs code 293359, which covers 295 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 61%IrelandCH 30%SwitzerlandGB 2%United KingdomCN 2%ChinaIN 1%India

Why It Matters

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

Vendor Pricing

$246.00/gA2B Chem LLC (1 week)
CountryUnited States
Pack$2460.00 / 10 g
Purity98%
Vendors7 available

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

6 more vendors
VendorCountry$/gPackPurity
Ramidus ABSweden$280.001 g—
Aaron Chemicals LLCHong Kong$1593.001 g95%
AA BLOCKS (1 week)United States$5350.00100 mg98%
MedChemExpress MCESweden$5626.50100 mg99.94%
Angene International LimitedUnited States$7750.00100 mg98%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS140-79-4
PubChem CIDNot recorded
DTXSIDDTXSID0020527
FormulaC4H8N4O2
Mol. Weight144.134 g/mol
SMILESO=NN1CCN(CC1)N=O

Data Sources

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Brief citations

Dinitrosopiperazine (CAS 140-79-4) https://chemicalindependence.com/chemical/140-79-4/ EPA TSCA Inventory: CAS 140-79-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293359 for CAS 140-79-4. Reporting year: 2024. https://usatrade.census.gov/