4,4'-(4,4'-Isopropylidenediphenoxy)bisphthalic dianhydride
U.S. production volumes are classified as confidential business information.
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 291899 · basket
These shares come from HS customs code 291899, which covers 23 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.
- Austria
- Hungary
- South Korea
- Taiwan
- Czech Republic
- Mexico
- Spain
- Ukraine
- Estonia
- Australia
- Israel
- Singapore
- Slovakia
- Russia
Why It Matters
Industrial Uses
Used in 1 sector as 1 functional role.
- •Intermediate in Plastics Material and Resin Manufacturing (100%)Processing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
20 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| A2B Chem LLC | United States | $0.28 | 1 kg | 97% |
| Angene Chemical | China → Hong Kong | $0.28 | 500 g | 98% |
| AA BLOCKS | United States | $0.31 | 1 kg | 97% |
| Combi-Blocks, Inc. | United States | $0.32 | 1 kg | 98% |
| Chemscene | United States | $0.32 | 1 kg | — |
| BLD Pharmatech Ltd. | China | $0.39 | 1 kg | 97% |
| Ambeed, Inc. | United States | $0.39 | 1 kg | 97% |
| BLD Pharmatech Co., Limited | United States | $0.39 | 500 g | 97% |
| BLD Pharmatech GmbH | Germany | $0.39 | 500 g | 97% |
| AK Scientific Specialized | United States | $0.62 | 100 g | 98% |
| Fluorochem EU | Germany | $0.73 | 25 g | 95% |
| AK Scientific, Inc. | United States | $0.87 | 100 g | 99% |
| AstaTech (2 weeks) | United States | $1.17 | 100 g | 95% |
| Angene International Limited | United States | $1.69 | 100 g | 99% |
| Sigma-Aldrich (Rush Stock) | Germany | $1.84 | 250 g | 97% |
| Sigma-Aldrich | Germany | $1.84 | 250 g | 97% |
| ChemBridge Corporation | Kazakhstan | $1860.00 | 100 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/94483/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/94483.json
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr_industrial.csv