1-Butene, 3,4-dichloro-

CAS 760-23-6

Used in 1 industrial sector tracked by the EPA.

US production65.0M 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 290329 · basket

EPA reports by year

2023: US production 65.0M lb · Imports Zero

HS customs code 290329 covers 39 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 (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Denka Performance Elastomer

Why It Matters

Sectors

Plastics & Rubber

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Monomers in Synthetic Rubber Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.63/gAngene Chemical

CountryChina (registered: Hong Kong)

Pack$317.00 / 500 g

Purity98%

Vendors9 available

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

8 more vendors

Vendor	Country	$/g	Pack	Purity
Aaron Chemicals LLC	Hong Kong	$0.96	25 g	98%
A2B Chem LLC	United States	$1.61	100 g	98%
AA BLOCKS	United States	$2.09	100 g	98%
Combi-Blocks, Inc.	United States	$2.10	100 g	98%
AK Scientific, Inc.	United States	$3.28	25 g	98%
Angene International Limited	United States	$6.48	25 g	98%
Labotest KG	Germany	$217.80	5000 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS760-23-6

PubChem CIDNot recorded

DTXSIDDTXSID8022113

FormulaC4H6Cl2

Mol. Weight124.99 g/mol

SMILESClCC(Cl)C=C

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

1-Butene, 3,4-dichloro- (CAS 760-23-6) https://chemicalindependence.com/chemical/760-23-6/ EPA TSCA Inventory: CAS 760-23-6. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 760-23-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 760-23-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting