1-Bromo-3-chloropropane

CAS 109-70-6

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$56M

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceIndia 51%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

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 290379 · basket

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 290379, which covers 34 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IN 51%IndiaCN 38%ChinaJP 11%JapanMX 1%Mexico

United Kingdom

EPA-registered importers (2)

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

Tosoh · JP Japan

Tosoh America

Why It Matters

Sectors

Core Chemicals

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

•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.06/gALFA AESAR

CountryGermany

Pack$295.20 / 5 kg

Purity99%

Vendors12 available

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

11 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$0.07	500 g	98%
AA BLOCKS	United States	$0.09	500 g	99%
Sigma-Aldrich (Rush Stock)	Germany	$0.11	1 kg	99%
Sigma-Aldrich	Germany	$0.11	1 kg	99%
Fluorochem UK	United Kingdom	$0.17	5 kg	99%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
AK Scientific Specialized	United States	$0.52	100 g	95%
AK Scientific, Inc.	United States	$0.71	100 g	98%
Labotest KG	Germany	$217.80	5000 mg	90%
Otava, Ltd.	Ukraine	$2280.00	50 mg	95%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	95%

Chemical Identity

CAS109-70-6

PubChem CID8006

DTXSIDDTXSID1051565

FormulaC3H6BrCl

Mol. Weight157.44 g/mol

SMILESC(CCl)CBr

Data Sources

EPA CompTox (DSSTox) · DTXSID1051565Retrieved 2026-04-06
PubChem · compound 8006Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

1-Bromo-3-chloropropane (CAS 109-70-6) https://chemicalindependence.com/chemical/109-70-6/ EPA CompTox (DSSTox): DTXSID1051565. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1051565 PubChem: 8006. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8006 EPA Chemical Data Reporting: 109-70-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 109-70-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290379 for CAS 109-70-6. Reporting year: 2024. https://usatrade.census.gov/