Methyl tert-butyl ether

Drug ingredient

This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.

Molecular structure of 1634-04-4
US ProductionCBI
Import Value$117M
Top SourceIndia 29%

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 290919 · basket

These shares come from HS customs code 290919, which covers 38 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
IN 29%IndiaCN 25%ChinaJP 20%JapanBR 6%BrazilDE 4%Germany
EPA-registered manufacturers (7)
Shell · GB United Kingdom
Enterprise Products Operating
Huntsman
Lyondell Chemical
Shell Chemical
Show all 7
Shell Deer Park Refining
Tpc Group
EPA-registered importers (15)
Basf Se · DE Germany
Bayer Ag · DE Germany
Litasco Sa · CH Switzerland
Basf
Bayer Us Holding
Show all 15
Evonik
G.J. Chemical
Gunvor Usa
Lukoil Pan Americas
Lyondell Chemical
Mie
Tartan Oil
Tedia
The Chemical
Trafigura Trading

Why It Matters

Sectors
Core ChemicalsHealthEnergyConsumer ProductsAgriculture
Downstream Uses

Appears in 3 drug and cosmetic product listings (FDA).

  • •Industriox
  • •Industriox 6011
  • •Enviro Detox Formula
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 7 sectors as 6 functional roles.

  • •Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (0%)Processing as a reactant
  • •Solvent in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant
  • •Fuels and fuel additives in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Solvents (which become part of product formulation or mixture) in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
  • •Solvent in Wholesale and Retail Trade (100%)Processing—repackaging
  • •Fuel agents in Petrochemical Manufacturing (25%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in Petrochemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Fuels and fuel additives in Wholesale and Retail Trade (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Laboratory chemicals in Wholesale and Retail TradeNot Known or Reasonably Ascertainable
  • •Laboratory chemicals in ServicesNot Known or Reasonably Ascertainable
  • •Solvent in Pharmaceutical and Medicine Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Fuel agents in Wholesale and Retail Trade (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Fuel agents in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS1634-04-4
PubChem CID15413
DTXSIDDTXSID3020833
FormulaC5H12O
Mol. Weight88.15 g/mol
SMILESCC(C)(C)OC

Data Sources

DTXSID30208332026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

154132026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/15413/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/15413.json

1634-04-42026-04-24

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

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

CAS 1634-04-42026-04-25

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

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

← Back to Dashboard← Back to Core Chemicals