4,4'-Methylenebis(N,N-diglycidylaniline)

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

Molecular structure of 28768-32-3
US ProductionCBI
Import Value$652M
Top SourceSingapore 77%

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 292250 · basket

These shares come from HS customs code 292250, which covers 9 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
SG 77%SingaporeCN 12%ChinaIT 4%ItalyIN 2%IndiaGB 1%United Kingdom
EPA-registered manufacturers (1)
Huntsman
EPA-registered importers (1)
Hexion Holdings

Why It Matters

Sectors
TransportationPlastics & RubberPaints & Coatings
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 3 functional roles.

  • Paint additives and coating additives not described by other categories in Paint and Coating Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
  • Propellants and blowing agents in Plastics Product Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
  • Intermediate in Transportation Equipment Manufacturing (80%)Processing as a reactant

Vendor Pricing

$0.23/gAngene Chemical
CountryChina (registered: Hong Kong)
Pack$116.00 / 500 g
Purity97%
Vendors12 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

11 more vendors
VendorCountry$/gPackPurity
Aaron Chemicals LLCHong Kong$0.24500 g98%
Combi-Blocks, Inc.United States$0.251 kg98%
A2B Chem LLCUnited States$0.271 kg98%
AA BLOCKSUnited States$0.281 kg98%
MedChemExpress MCESweden$0.311 kg
Ambeed, Inc.United States$0.40100 g98%
Fluorochem EUGermany$0.47100 g97%
AK Scientific, Inc.United States$1.3625 g109%
AstaTech (2 weeks)United States$1.75100 g95%
Angene International LimitedUnited States$3.5225 g109%
AngeneChina Hong Kong$4266.6730 mg97%

Chemical Identity

CAS28768-32-3
PubChem CID91593
DTXSIDDTXSID0042248
FormulaC25H30N2O4
Mol. Weight422.5 g/mol
SMILESC1C(O1)CN(CC2CO2)C3=CC=C(C=C3)CC4=CC=C(C=C4)N(CC5CO5)CC6CO6

Data Sources

DTXSID00422482026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

915932026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/91593/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/91593.json

28768-32-32026-04-24

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

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

CAS 28768-32-32026-04-25

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

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