Ethyne

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

Molecular structure of 74-86-2
US ProductionCBI
Import Value$246M
Top SourceCanada 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 290129 · basket

These shares come from HS customs code 290129, which covers 40 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CA 51%CanadaZA 32%South AfricaBR 6%BrazilJP 4%JapanIT 1%Italy
EPA-registered manufacturers (12)
Basf Se · DE Germany
Shell · GB United Kingdom
Airgas
Basf
Chevron Phillips Chemical
Show all 12
Linde
Linde (Formerly Praxair Inc)
Linde Inc (Formerly Praxair Inc)
Linde Inc (Formerly Praxair)
Lyondell Chemical
Shell Chemical
The Dow Chemical

Why It Matters

Sectors
EnergyTransportationConstructionMetals & MiningConsumer ProductsCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 8 sectors as 4 functional roles.

  • •Fuels and fuel additives in Transportation Equipment Manufacturing (15%)Processing—incorporation into formulation, mixture, or reaction product
  • •Fuels and fuel additives in Fabricated Metal Product Manufacturing (30%)Use—non-incorporative activities
  • •Fuels and fuel additives in Wholesale and Retail Trade (10%)Use—non-incorporative activities
  • •Fuels and fuel additives in Services (45%)Use—non-incorporative activities
  • •Fuel in Industrial Gas Manufacturing (100%)Use—non-incorporative activities
  • •Intermediate in Petrochemical ManufacturingProcessing as a reactant
  • •Fuels and fuel additives in Miscellaneous Manufacturing (0%)Use—non-incorporative activities
  • •Fuels and fuel additives in ConstructionUse—non-incorporative activities
  • •Fuel agents in Industrial Gas Manufacturing (100%)Use—non-incorporative activities

Chemical Identity

CAS74-86-2
PubChem CID6326
DTXSIDDTXSID6026379
FormulaC2H2
Mol. Weight26.04 g/mol
SMILESC#C

Data Sources

DTXSID60263792026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

63262026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6326/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6326.json

74-86-22026-04-24

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

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

CAS 74-86-22026-04-25

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

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

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