Trimethyl borate

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

Molecular structure of 121-43-7
US ProductionCBI
Import Value$208M
Top SourceChina 28%

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 292090 · basket

These shares come from HS customs code 292090, which covers 41 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 28%ChinaKR 17%South KoreaIT 13%ItalyIN 10%IndiaDE 9%Germany
EPA-registered manufacturers (1)
Ascensus Specialties

Why It Matters

Sectors
Core Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

  • Intermediate in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.18/gA2B Chem LLC
CountryUnited States
Pack$89.00 / 500 g
Purity95%
Vendors5 available

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

4 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$0.20500 g95%
Combi-Blocks, Inc.United States$0.251 kg95%
Manchester OrganicsUnited Kingdom$1.6925 g98%
AstaTech, IncUnited States$4.8025 g95%

Chemical Identity

CAS121-43-7
PubChem CID8470
DTXSIDDTXSID0037738
FormulaC3H9BO3
Mol. Weight103.92 g/mol
SMILESB(OC)(OC)OC

Data Sources

DTXSID00377382026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

84702026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/8470/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/8470.json

121-43-72026-04-24

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

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

CAS 121-43-72026-04-25

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

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