1,3-Isobenzofurandione, 5,5'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis-, polymer with 1,3-benzenediamine

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

Molecular structure of 61128-46-9
US ProductionCBI
Import Value$516M
Import VolumeZero
Top SourceGermany 22%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 391190 · basket

These shares come from HS customs code 391190, which covers 7 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
DE 22%GermanyJP 17%JapanCA 15%CanadaGB 14%United KingdomCN 9%China
EPA-registered manufacturers (1)
Weylchem Us

Why It Matters

Sectors
Plastics & Rubber
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

  • Intermediate in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS61128-46-9
PubChem CIDNo data available
DTXSIDDTXSID90976644
FormulaNo data available
Mol. WeightNo data available
SMILESNo data available

Data Sources

DTXSID909766442026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

61128-46-92026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 61128-46-92026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv