Ethanediamide

CAS 471-46-5

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$371M

Top sourceChina 27%

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 292419 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential

These shares come from HS customs code 292419, which covers 211 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 27%ChinaIN 18%IndiaDE 14%GermanyIT 10%ItalyGB 6%United Kingdom

Hungary
Austria
Spain
Egypt
Canada
Sweden
Ukraine
Denmark
Israel
Lithuania
Greece
Ireland
Taiwan
Uruguay
Turkey
Australia
Singapore
Latvia
Colombia

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

•Stabilizing agent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.14/gAaron Chemicals LLC

CountryHong Kong

Pack$70.00 / 500 g

Purity98%

Vendors19 available

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

18 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$0.15	500 g	98%
Angene Chemical	China → Hong Kong	$0.15	500 g	98%
AA BLOCKS	United States	$0.17	5 kg	98%
ALFA AESAR	Germany	$0.24	500 g	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	97%
AK Scientific Specialized	United States	$0.27	500 g	95%
Chemscene	United States	$0.29	500 g	—
Ambeed, Inc.	United States	$0.30	500 g	97%
Fluorochem EU	Germany	$0.35	100 g	95%
Fluorochem UK	United Kingdom	$0.36	100 g	95%
AK Scientific, Inc.	United States	$0.38	500 g	98%
Sigma-Aldrich (Rush Stock)	Germany	$0.44	100 g	98%
Sigma-Aldrich	Germany	$0.44	100 g	98%
Angene International Limited	United States	$0.49	500 g	95%
AstaTech (2 weeks)	United States	$1.48	25 g	95%
Labotest KG	Germany	$217.80	5000 mg	90%
Life Chemicals Inc.	Ukraine → Canada	$3100.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS471-46-5

PubChem CIDNot recorded

DTXSIDDTXSID1060051

FormulaC2H4N2O2

Mol. Weight88.066 g/mol

SMILESNC(=O)C(N)=O

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
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

Ethanediamide (CAS 471-46-5) https://chemicalindependence.com/chemical/471-46-5/ EPA TSCA Inventory: CAS 471-46-5. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 471-46-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 471-46-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292419 for CAS 471-46-5. Reporting year: 2024. https://usatrade.census.gov/