Ethyl tellurac

CAS 20941-65-5

Companies reported imports and no US production of this chemical to EPA for 2019.

Molecular structure of 20941-65-5
US productionZero
Import value, 2024$25M
Import volume3.7K lb
Import dependency100%
Top sourceChina 40%

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Ethyl tellurac · US import value by year
$29M2013$36M2022$25M2024$23M2025

2013: $29M · Peak 2022: $36M · 2024: $25M · 2025: $23M

Where It Comes From

Customs basis: HS 293020 · basket

EPA reports by year
2019
US production Zero · Imports 3.7K lb

These shares come from HS customs code 293020, which covers 37 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 40%ChinaHU 16%HungaryJP 15%JapanIN 15%IndiaIT 6%Italy
Domestic parents -- activity not disclosed (1)
Americas International
EPA-registered importers (1)
Harwick Standard Distribution

Why It Matters

Sectors
Plastics & Rubber
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS20941-65-5
PubChem CID519829
DTXSIDDTXSID3020594
FormulaC20H40N4S8Te
Mol. Weight720.7 g/mol
SMILESCCN(CC)C(=S)S[Te](SC(=S)N(CC)CC)(SC(=S)N(CC)CC)SC(=S)N(CC)CC

Data Sources

Brief citations

Ethyl tellurac (CAS 20941-65-5) https://chemicalindependence.com/chemical/20941-65-5/ EPA CompTox (DSSTox): DTXSID3020594. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3020594 PubChem: 519829. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/519829 EPA Chemical Data Reporting: 20941-65-5. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 20941-65-5. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293020 for CAS 20941-65-5. Reporting year: 2024. https://usatrade.census.gov/