Flag of the United StatesAmerican Chemical Independence

Butane, 1,1-dichloro-

CAS 541-33-3

Molecular structure of 541-33-3
US productionNot reported
Import value, 2024$26M
Top sourceBrazil 54%

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 290319 · basket

These shares come from HS customs code 290319, which covers 47 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
BR 54%BrazilDE 30%GermanyCN 10%ChinaIN 6%India

Why It Matters

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

Vendor Pricing

$1047.00/gA2B Chem LLC (1 week)
CountryUnited States
Pack$5235.00 / 5 g
Purity95%
Vendors1 available

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

Chemical Identity

CAS541-33-3
PubChem CIDNot recorded
DTXSIDDTXSID70862152
FormulaC4H8Cl2
Mol. Weight127.01 g/mol
SMILESCCCC(Cl)Cl

Data Sources

← Back to Dashboard

Brief citations

Butane, 1,1-dichloro- (CAS 541-33-3) https://chemicalindependence.com/chemical/541-33-3/ EPA TSCA Inventory: CAS 541-33-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290319 for CAS 541-33-3. Reporting year: 2024. https://usatrade.census.gov/