1,3-Dichloro-2-butene

U.S. production volumes are classified as confidential business information.

Molecular structure of 926-57-8
US ProductionCBI
Import Value$61M
Top SourceChina 56%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 290329 · basket

These shares come from HS customs code 290329, which covers 12 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 56%ChinaDE 26%GermanyCZ 9%Czech RepublicMY 3%MalaysiaJP 3%Japan
EPA-registered manufacturers (1)
Occidental Petroleum

Why It Matters

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

Industrial Uses

Used in 1 sector as 1 functional role.

  • Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant

Vendor Pricing

$11.60/gAA BLOCKS
CountryUnited States
Pack$58.00 / 5 g
Purity95%
Vendors1 available

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

Chemical Identity

CAS926-57-8
PubChem CID13556
DTXSIDDTXSID7027338
FormulaC4H6Cl2
Mol. Weight124.99 g/mol
SMILESCC(=CCCl)Cl

Data Sources

DTXSID70273382026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

135562026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/13556/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/13556.json

926-57-82026-04-24

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

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

CAS 926-57-82026-04-25

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

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