4-Methylstyrene

CAS 622-97-9

Used in 3 industrial sectors tracked by the EPA.

Molecular structure of 622-97-9
US production13.0M lb
Import volumeZero
Import dependency0%
Top sourceNo public record

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290290 · basket

EPA reports by year
2023
US production 13.0M lb · Imports Zero
2019
US production Confidential · Imports Zero

HS customs code 290290 covers 171 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

Domestic parents -- activity not disclosed (1)
Deltech Monomers Bidco Holdings

Why It Matters

Sectors
ConstructionPlastics & RubberPaints & Coatings
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 4 sectors as 1 functional role.

  • •Monomers in Plastics Material and Resin Manufacturing (3%)Processing—incorporation into formulation, mixture, or reaction product
  • •Monomers in Adhesive Manufacturing (15%)Processing as a reactant
  • •Monomers in Rubber Product Manufacturing (5%)Processing as a reactant
  • •Monomers in Paint and Coating Manufacturing (57%)Processing as a reactant

Vendor Pricing

$0.27/gA2B Chem LLC
CountryUnited States
Pack$270.00 / 1 kg
Purity98%
Vendors6 available

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

Chemical Identity

CAS622-97-9
PubChem CID12161
DTXSIDDTXSID3020889
FormulaC9H10
Mol. Weight118.18 g/mol
SMILESCC1=CC=C(C=C1)C=C

Data Sources

Brief citations

4-Methylstyrene (CAS 622-97-9) https://chemicalindependence.com/chemical/622-97-9/ EPA CompTox (DSSTox): DTXSID3020889. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3020889 PubChem: 12161. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/12161 EPA Chemical Data Reporting: 622-97-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 622-97-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting