2-Methyl-3-butenenitrile

CAS 16529-56-9

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

US productionCBI

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

Import value, 2024$281M

Top sourceChina 31%

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. US production volume is confidential. 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 292690 · basket

EPA reports by year

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

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.

Koch Industries

Why It Matters

Sectors

Plastics & RubberCore 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

Used in 2 sectors as 2 functional roles.

•Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
•Adhesives and sealant chemicals in Plastics Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.79/gAaron Chemicals LLC

CountryHong Kong

Pack$79.00 / 100 g

Purity90%

Vendors7 available

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

6 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.86	100 g	90%
Ambeed, Inc.	United States	$1.16	25 g	75%
A2B Chem LLC	United States	$2.40	5 g	75%
AA BLOCKS	United States	$2.60	5 g	75%
Angene International Limited	United States	$8.28	25 g	75%
Angene	China → Hong Kong	$4266.67	30 mg	90%

Chemical Identity

CAS16529-56-9

PubChem CID27909

DTXSIDDTXSID5025578

FormulaC5H7N

Mol. Weight81.12 g/mol

SMILESCC(C=C)C#N

Data Sources

EPA CompTox (DSSTox) · DTXSID5025578Retrieved 2026-04-06
PubChem · compound 27909Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

← Back to Dashboard ← Back to Plastics & Rubber

Brief citations

2-Methyl-3-butenenitrile (CAS 16529-56-9) https://chemicalindependence.com/chemical/16529-56-9/ EPA CompTox (DSSTox): DTXSID5025578. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5025578 PubChem: 27909. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/27909 EPA Chemical Data Reporting: 16529-56-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 16529-56-9. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292690 for CAS 16529-56-9. Reporting year: 2024. https://usatrade.census.gov/