1,3-Dichloro-5,5-dimethylhydantoin

CAS 118-52-5

Used in 1 industrial sector tracked by the EPA.

US production37.8K lb

Import volumeZero

Import dependency0%

Top sourceNo public record

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 293321 · basket

EPA reports by year

2023: US production 37.8K lb · Imports Zero
2019: US production 3.8M lb · Imports Zero

HS customs code 293321 covers 22 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

EPA-registered manufacturers (1)

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

Arxada

Why It Matters

Sectors

Agriculture

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 Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.01/gAaron Chemicals LLC

CountryHong Kong

Pack$6.00 / 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
Angene Chemical	China → Hong Kong	$0.02	500 g	98%
Chemscene	United States	$0.05	1 kg	—
AA BLOCKS	United States	$0.08	500 g	97%
A2B Chem LLC	United States	$0.08	500 g	97%
Fluorochem UK	United Kingdom	$0.09	1 kg	95%
Fluorochem EU	Germany	$0.09	1 kg	95%
ALFA AESAR	Germany	$0.12	500 g	98%
Sigma-Aldrich (Rush Stock)	Germany	$0.15	1 kg	—
Sigma-Aldrich	Germany	$0.15	1 kg	—
MedChemExpress MCE	Sweden	$0.17	500 g	98%
AstaTech (2 weeks)	United States	$0.30	100 g	98%
Apollo Scientific UK	United Kingdom	$0.37	250 g	98%
AK Scientific, Inc.	United States	$0.38	100 g	98%
Ambeed, Inc.	United States	$0.80	25 g	95%
Angene International Limited	United States	$1.17	100 g	98%
Synthonix	United States	$1.20	25 g	95%
Interbioscreen	Hong Kong	$5.00	10 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS118-52-5

PubChem CID8360

DTXSIDDTXSID4024985

FormulaC5H6Cl2N2O2

Mol. Weight197.02 g/mol

SMILESCC1(C(=O)N(C(=O)N1Cl)Cl)C

Data Sources

EPA CompTox (DSSTox) · DTXSID4024985Retrieved 2026-04-06
PubChem · compound 8360Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

1,3-Dichloro-5,5-dimethylhydantoin (CAS 118-52-5) https://chemicalindependence.com/chemical/118-52-5/ EPA CompTox (DSSTox): DTXSID4024985. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4024985 PubChem: 8360. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8360 EPA Chemical Data Reporting: 118-52-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 118-52-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting