Tetrabromobisphenol A-bis(2,3-dibromopropyl ether)

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

Molecular structure of 21850-44-2
US ProductionCBI
Import Value$59M
Top SourceChina 51%

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 290930 · basket

These shares come from HS customs code 290930, which covers 28 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 51%ChinaIN 23%IndiaIT 12%ItalyJP 9%JapanCA 2%Canada
EPA-registered importers (1)
Icl Specialty Products North America

Why It Matters

Sectors
TransportationConstructionPlastics & RubberPaints & CoatingsCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 11 sectors as 1 functional role.

  • Flame retardant in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in All Other Chemical Product and Preparation Manufacturing (91%)Processing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in Plastics Product Manufacturing (9%)Processing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in Asphalt Paving, Roofing, and Coating Materials ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in Synthetic Rubber ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in Custom Compounding of Purchased ResinsProcessing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in Rubber Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in Transportation Equipment ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in ConstructionProcessing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in Wood Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.08/gA2B Chem LLC
CountryUnited States
Pack$40.00 / 500 g
Purity95%
Vendors14 available

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

13 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$0.09500 g95%
Aaron Chemicals LLCHong Kong$0.11500 g95%
Angene ChemicalChina Hong Kong$0.12500 g95%
BLD Pharmatech GmbHGermany$0.131 kg95%
BLD Pharmatech Ltd.China$0.131 kg95%
BLD Pharmatech Co., LimitedUnited States$0.151 kg95%
Ambeed, Inc.United States$0.151 kg95%
Combi-Blocks, Inc.United States$0.251 kg95%
AK Scientific SpecializedUnited States$0.26500 g95%
AK Scientific, Inc.United States$0.36500 g98%
Angene International LimitedUnited States$0.62500 g98%
AstaTech (2 weeks)United States$0.94500 g98%
AngeneChina Hong Kong$4266.6730 mg95%

Chemical Identity

CAS21850-44-2
PubChem CID62753
DTXSIDDTXSID3032129
FormulaC21H20Br8O2
Mol. Weight943.6 g/mol
SMILESCC(C)(C1=CC(=C(C(=C1)Br)OCC(CBr)Br)Br)C2=CC(=C(C(=C2)Br)OCC(CBr)Br)Br

Data Sources

DTXSID30321292026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

627532026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/62753/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/62753.json

21850-44-22026-04-24

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

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

CAS 21850-44-22026-04-25

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

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