1,2,3,4-Butanetetracarboxylic acid, 1,2,3,4-tetrakis(1,2,2,6,6-pentamethyl-4-piperidinyl) ester
No U.S. production. America imports the entire domestic supply.
US ProductionZero
Import Value$1.3B
Import Volume228.5K lbs
Import Dependency100%
Top SourceChina 32%
1,2,3,4-Butanetetracarboxylic acid, 1,2,3,4-tetrakis(1,2,2,6,6-pentamethyl-4-piperidinyl) ester · US import value by year
Where It Comes From
Customs basis: HS 293339 · basket
These shares come from HS customs code 293339, which covers 57 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2023).
CN 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland
- Taiwan
- Ukraine
- Sweden
- Argentina
- Canada
- Finland
- Malta
- Israel
- Netherlands
- Denmark
- United Arab Emirates
- Mexico
- Brunei
- Slovakia
- Australia
- South Africa
- Poland
- Latvia
- Lithuania
- Estonia
- Slovenia
- Czech Republic
- Croatia
- Hong Kong
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.
Mitsubishi Corporation (Americas)
Why It Matters
Sectors
Plastics & Rubber
Downstream UsesNo data available
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
Chemical Identity
CAS91788-83-9
PubChem CID14549311
DTXSIDDTXSID70869085
FormulaC48H86N4O8
Mol. Weight847.2 g/mol
SMILESCC1(CC(CC(N1C)(C)C)OC(=O)CC(C(CC(=O)OC2CC(N(C(C2)(C)C)C)(C)C)C(=O)OC3CC(N(C(C3)(C)C)C)(C)C)C(=O)OC4CC(N(C(C4)(C)C)C)(C)C)C
Data Sources
DTXSID708690852026-04-06
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
145493112026-04-06
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/14549311/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/14549311.json
91788-83-92026-04-24
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv
CAS 91788-83-92026-04-25
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr_industrial.csv