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Calcium sulfurimidate--sulfamic acid (1/1/1)

CAS 13770-92-8

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

Molecular structure of 13770-92-8
1 Ca²⁺
US productionZero
Import value, 2024$32M
Import volume1.3K lb
Import dependency100%
Top sourceChina 39%

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.

Calcium sulfurimidate--sulfamic acid (1/1/1) · US import value by year
$38M2013$32M2024$122M2025

2013: $38M · 2024: $32M · Peak 2025: $122M

Where It Comes From

Customs basis: HS 284290 · basket

EPA reports by year
2023
US production Zero · Imports 1.3K lb
2019
US production Confidential · Imports Zero

These shares come from HS customs code 284290, which covers 96 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 39%ChinaDE 33%GermanyCA 9%CanadaGB 4%United KingdomJP 3%Japan
EPA-registered importers (2)
Azelis S A · LU Luxembourg
Azelis Americas Case

Why It Matters

Sectors
Consumer Products
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Hardener in Wholesale and Retail Trade (0%)Not Known or Reasonably Ascertainable

Chemical Identity

CAS13770-92-8
PubChem CID22644290
DTXSIDDTXSID50929873
FormulaCaH4N2O6S2
Mol. Weight232.3 g/mol
SMILESNS(=O)(=O)[O-].NS(=O)(=O)[O-].[Ca+2]

Data Sources

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Brief citations

Calcium sulfurimidate--sulfamic acid (1/1/1) (CAS 13770-92-8) https://chemicalindependence.com/chemical/13770-92-8/ EPA CompTox (DSSTox): DTXSID50929873. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID50929873 PubChem: 22644290. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/22644290 EPA Chemical Data Reporting: 13770-92-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13770-92-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 284290 for CAS 13770-92-8. Reporting year: 2024. https://usatrade.census.gov/