4-(6-tert-Butyl-5H-pyrazolo[1,5-b][1,2,4]triazol-2-yl)aniline

CAS 152828-25-6

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

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$1.4B

Top sourceIreland 33%

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 293399 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy

Taiwan
Poland
Canada
Ivory Coast
Greece
Hungary
Indonesia
Latvia
Belgium
Slovakia
Czech Republic
Austria
Netherlands
Finland
Denmark
Croatia
Australia
South Africa
Sweden
Hong Kong
Malta
Singapore
Lithuania
Malaysia
Oman
Serbia

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Eastman Kodak

Why It Matters

Sectors

Consumer Products

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Intermediate in Photographic Film, Paper, Plate, and Chemical Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS152828-25-6

PubChem CID15333433

DTXSIDDTXSID80571647

FormulaC14H17N5

Mol. Weight255.32 g/mol

SMILESCC(C)(C)C1=CC2=NC(=NN2N1)C3=CC=C(C=C3)N

Data Sources

EPA CompTox (DSSTox) · DTXSID80571647Retrieved 2026-04-06
PubChem · compound 15333433Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

4-(6-tert-Butyl-5H-pyrazolo[1,5-b][1,2,4]triazol-2-yl)aniline (CAS 152828-25-6) https://chemicalindependence.com/chemical/152828-25-6/ EPA CompTox (DSSTox): DTXSID80571647. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID80571647 PubChem: 15333433. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/15333433 EPA Chemical Data Reporting: 152828-25-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 152828-25-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293399 for CAS 152828-25-6. Reporting year: 2024. https://usatrade.census.gov/