1-Butene, 3-chloro-

CAS 563-52-0

Molecular structure of 563-52-0
US productionNot reported
Import value, 2024$61M
Top sourceChina 56%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 290329 · basket

These shares come from HS customs code 290329, which covers 39 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 56%ChinaDE 26%GermanyCZ 9%Czech RepublicMY 3%MalaysiaJP 3%Japan

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$5.88/gA2B Chem LLC (1 week)
CountryUnited States
Pack$147.00 / 25 g
Purity95%
Vendors4 available

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

Chemical Identity

CAS563-52-0
PubChem CIDNot recorded
DTXSIDDTXSID50870614
FormulaC4H7Cl
Mol. Weight90.55 g/mol
SMILESCC(Cl)C=C

Data Sources

Brief citations

1-Butene, 3-chloro- (CAS 563-52-0) https://chemicalindependence.com/chemical/563-52-0/ EPA TSCA Inventory: CAS 563-52-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290329 for CAS 563-52-0. Reporting year: 2024. https://usatrade.census.gov/