Nitrogen oxide (NO2)

CAS 10102-44-0

Companies reported imports and no US production of this chemical to EPA for 2023.

US productionZero

Import value, 2024$75M

Import volume120.0K lb

Import dependency100%

Top sourceChina 30%

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.

Nitrogen oxide (NO2) · US import value by year

2013: $43M · Peak 2021: $136M · 2024: $75M · 2025: $60M

Where It Comes From

Customs basis: HS 281129 · basket

EPA reports by year

2023: US production Zero · Imports 120.0K lb

These shares come from HS customs code 281129, which covers 18 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).

CN 30%ChinaAT 23%AustriaPL 9%PolandCA 8%CanadaCZ 8%Czech Republic

Italy
Romania
Malaysia
India
Netherlands
Ukraine
Denmark
Singapore
Switzerland
Morocco
United Kingdom

EPA-registered importers (2)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Linde Plc · IE Ireland

Linde

Why It Matters

Sectors

Construction

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

Chemical Identity

CAS10102-44-0

PubChem CIDNot recorded

DTXSIDDTXSID7020974

FormulaNO2

Mol. Weight46.005 g/mol

SMILES[O]N=O

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
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

Nitrogen oxide (NO2) (CAS 10102-44-0) https://chemicalindependence.com/chemical/10102-44-0/ EPA TSCA Inventory: CAS 10102-44-0. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 10102-44-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 10102-44-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 281129 for CAS 10102-44-0. Reporting year: 2024. https://usatrade.census.gov/