Nitrosylsulfuric acid

CAS 7782-78-7

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

US productionZero

Import value, 2024$66M

Import volume166.6K lb

Import dependency100%

Top sourceChina 46%

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.

Nitrosylsulfuric acid · US import value by year

2013: $54M · Peak 2022: $126M · 2024: $66M · 2025: $51M

Where It Comes From

Customs basis: HS 281119 · basket

EPA reports by year

2023: US production Zero · Imports 166.6K lb
2019: US production Zero · Imports 16.9K lb

These shares come from HS customs code 281119, which covers 30 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 46%ChinaDE 17%GermanyMY 12%MalaysiaKR 5%South KoreaTW 5%Taiwan

Japan
Netherlands
Switzerland
Norway
Jordan
Italy
Czech Republic
United Kingdom

EPA-registered importers (1)

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

Brenntag

Why It Matters

Sectors

Core Chemicals

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 All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS7782-78-7

PubChem CID82157

DTXSIDDTXSID30889380

FormulaHNO5S

Mol. Weight127.08 g/mol

SMILESN(=O)OS(=O)(=O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID30889380Retrieved 2026-04-06
PubChem · compound 82157Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

← Back to Dashboard ← Back to Core Chemicals

Brief citations

Nitrosylsulfuric acid (CAS 7782-78-7) https://chemicalindependence.com/chemical/7782-78-7/ EPA CompTox (DSSTox): DTXSID30889380. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID30889380 PubChem: 82157. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/82157 EPA Chemical Data Reporting: 7782-78-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7782-78-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 281119 for CAS 7782-78-7. Reporting year: 2024. https://usatrade.census.gov/