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Ethyl cyanoacetate

CAS 105-56-6

Companies reported imports and no US production of this chemical to EPA for 2023.

Molecular structure of 105-56-6
US productionZero
Import value, 2024$281M
Import volume52.7K lb
Import dependency100%
Top sourceChina 31%

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.

Ethyl cyanoacetate · US import value by year
$339M2013$410M2022$281M2024$254M2025

2013: $339M · Peak 2022: $410M · 2024: $281M · 2025: $254M

Where It Comes From

Customs basis: HS 292690 · basket

EPA reports by year
2023
US production Zero · Imports 52.7K lb
2019
US production Zero · Imports 529.1K lb

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
CN 31%ChinaIT 15%ItalyGB 14%United KingdomIN 11%IndiaJP 8%Japan
Domestic parents -- activity not disclosed (1)
Aceto Us
EPA-registered importers (1)
Henkel

Why It Matters

Sectors
ElectronicsMetals & Mining
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 4 sectors as 2 functional roles.

  • •Monomers in Machinery Manufacturing (40%)Processing as a reactant
  • •Monomers in Computer and Electronic Product Manufacturing (41%)Processing as a reactant
  • •Monomers in Electrical Equipment, Appliance, and Component Manufacturing (20%)Processing as a reactant
  • •Polymerization promoter in Miscellaneous Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.06/gA2B Chem LLC
CountryUnited States
Pack$148.00 / 2.5 kg
Purity98%
Vendors16 available

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

15 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$0.062.5 kg99%
ALFA AESARGermany$0.082.5 kg98%
Fluorochem UKUnited Kingdom$0.13500 g99%
AK Scientific SpecializedUnited States$0.14500 g98%
Sigma-Aldrich (Rush Stock)Germany$0.171 kg98%
Sigma-AldrichGermany$0.171 kg98%
AK Scientific, Inc.United States$0.18500 g99%
Combi-Blocks, Inc.United States$0.251 kg98%
AstaTech, IncUnited States$0.29500 g95%
Apollo Scientific UKUnited Kingdom$1.16100 g98%
Key Organics Ltd.United Kingdom$2.9625 g95%
InterbioscreenHong Kong$10.0010 g95%
Labotest KGGermany$217.805000 mg90%
Otava, Ltd.Ukraine$460.00250 mg90%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg90%

Chemical Identity

CAS105-56-6
PubChem CID7764
DTXSIDDTXSID9026718
FormulaC5H7NO2
Mol. Weight113.11 g/mol
SMILESCCOC(=O)CC#N

Data Sources

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Brief citations

Ethyl cyanoacetate (CAS 105-56-6) https://chemicalindependence.com/chemical/105-56-6/ EPA CompTox (DSSTox): DTXSID9026718. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9026718 PubChem: 7764. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7764 EPA Chemical Data Reporting: 105-56-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 105-56-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292690 for CAS 105-56-6. Reporting year: 2024. https://usatrade.census.gov/