Cyclopentane, methylene-

CAS 1528-30-9

Used in 3 industrial sectors tracked by the EPA.

Molecular structure of 1528-30-9
US production3.8M 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 290219 · basket

EPA reports by year
2023
US production 3.8M lb · Imports Zero
2019
US production Confidential · Imports Zero

HS customs code 290219 covers 108 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.

EPA-registered manufacturers (2)
Sasol · ZA South Africa
Sasol Chemicals (Usa)

Why It Matters

Sectors
Metals & MiningPlastics & RubberCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 3 functional roles.

  • •Fuel in Other (40%)Processing—incorporation into formulation, mixture, or reaction product
  • •Monomers in Plastics Material and Resin Manufacturing (20%)Processing as a reactant
  • •Intermediate in All Other Basic Organic Chemical Manufacturing (50%)Processing as a reactant

Vendor Pricing

$64.00/gCombi-Blocks, Inc.
CountryUnited States
Pack$320.00 / 5 g
Purity98%
Vendors5 available

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

Chemical Identity

CAS1528-30-9
PubChem CID73714
DTXSIDDTXSID9061756
FormulaC6H10
Mol. Weight82.14 g/mol
SMILESC=C1CCCC1

Data Sources

Brief citations

Cyclopentane, methylene- (CAS 1528-30-9) https://chemicalindependence.com/chemical/1528-30-9/ EPA CompTox (DSSTox): DTXSID9061756. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9061756 PubChem: 73714. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/73714 EPA Chemical Data Reporting: 1528-30-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1528-30-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting