1,2-Dibromo-2,4-dicyanobutane

CAS 35691-65-7

EPA’s 2019 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$281M

Top sourceChina 31%

EPA lists this chemical for 2019 but publishes zero or no volume for both production and imports.

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292690 · basket

EPA reports by year

2019: US production Zero · Imports Zero

These shares come from HS customs code 292690, which covers 191 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).

CN 31%ChinaIT 15%ItalyGB 14%United KingdomIN 11%IndiaJP 8%Japan

South Korea
Spain
Ireland
Ukraine
Malaysia
Brazil
Hong Kong
Latvia
Australia

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Lanxess

Why It Matters

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

Vendor Pricing

$0.39/gManchester Organics

CountryUnited Kingdom

Pack$98.70 / 250 g

Purity98%

Vendors8 available

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

7 more vendors

Vendor	Country	$/g	Pack	Purity
Combi-Blocks, Inc.	United States	$0.80	500 g	98%
A2B Chem LLC	United States	$0.86	500 g	98%
AA BLOCKS	United States	$0.90	500 g	98%
AK Scientific Specialized	United States	$1.09	100 g	95%
AK Scientific, Inc.	United States	$1.46	100 g	98%
Sigma-Aldrich (Rush Stock)	Germany	$155.14	500 mg	—
Sigma-Aldrich	Germany	$155.14	500 mg	—

Chemical Identity

CAS35691-65-7

PubChem CID61948

DTXSIDDTXSID3024944

FormulaC6H6Br2N2

Mol. Weight265.93 g/mol

SMILESC(CC(CBr)(C#N)Br)C#N

Data Sources

EPA CompTox (DSSTox) · DTXSID3024944Retrieved 2026-04-06
PubChem · compound 61948Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

1,2-Dibromo-2,4-dicyanobutane (CAS 35691-65-7) https://chemicalindependence.com/chemical/35691-65-7/ EPA CompTox (DSSTox): DTXSID3024944. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3024944 PubChem: 61948. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/61948 EPA Chemical Data Reporting: 35691-65-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292690 for CAS 35691-65-7. Reporting year: 2024. https://usatrade.census.gov/