3-Methyl-1-butene

Used in 2 industrial sectors tracked by the EPA.

Molecular structure of 563-45-1
US Production5.9M lbs
Import VolumeZero
Import Dependency0%

Where It Comes From

Customs basis: HS 290129 · basket

This chemical's HS customs code 290129 covers 40chemicals in total. US Census does not break out this chemical's share of that bucket, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

EPA-registered manufacturers (3)
Shell · GB United Kingdom
Bridgestone Procurement Holdings Usa
Shell Chemical

Why It Matters

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

Industrial Uses

Used in 2 sectors as 2 functional roles.

  • Intermediate in Petrochemical Manufacturing (100%)Processing as a reactant
  • Fuels and fuel additives in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$1.83/gSigma-Aldrich (Rush Stock)
CountryGermany
Pack$732.73 / 400 g
Purity95%
Vendors4 available

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

3 more vendors
VendorCountry$/gPackPurity
Sigma-AldrichGermany$1.83400 g95%
A2B Chem LLC (1 week)United States$1.90250 g95%
AA BLOCKS (1 week)United States$2.00250 g

Chemical Identity

CAS563-45-1
PubChem CID11239
DTXSIDDTXSID7060336
FormulaC5H10
Mol. Weight70.13 g/mol
SMILESCC(C)C=C

Data Sources

DTXSID70603362026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

112392026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/11239/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/11239.json

563-45-12026-04-24

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

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

CAS 563-45-12026-04-25

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

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