5,5-Dimethylhydantoin

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

Molecular structure of 77-71-4
US ProductionCBI
Import Value$19M
Top SourceChina 55%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 293321 · basket

These shares come from HS customs code 293321, which covers 10 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 55%ChinaTW 34%TaiwanIL 3%IsraelES 2%SpainIN 1%India

Why It Matters

Sectors
Core Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

  • Ion exchange agents in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.01/gAaron Chemicals LLC
CountryHong Kong
Pack$7.00 / 500 g
Purity98%
Vendors27 available

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

26 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina Hong Kong$0.02500 g98%
BLD Pharmatech GmbHGermany$0.041 kg97%
BLD Pharmatech Ltd.China$0.041 kg97%
A2B Chem LLCUnited States$0.04500 g97%
AA BLOCKSUnited States$0.05500 g97%
ChemsceneUnited States$0.051 kg
Sigma-Aldrich (Rush Stock)Germany$0.111 kg97%
Sigma-AldrichGermany$0.111 kg97%
Fluorochem EUGermany$0.11100 g97%
BLD Pharmatech Co., LimitedUnited States$0.111 kg97%
Ambeed, Inc.United States$0.111 kg97%
SynthonixUnited States$0.14100 g97%
AK Scientific SpecializedUnited States$0.201 kg95%
Apollo Scientific USUnited Kingdom$0.21100 g97%
AstaTech, IncUnited States$0.24100 g95%
AK Scientific, Inc.United States$0.251 kg98%
Combi-Blocks, Inc.United States$0.251 kg97%
Angene International LimitedUnited States$0.53500 g98%
InterbioscreenHong Kong$10.0010 g95%
PharmaBlock USUnited States$12.205 g97%
Labotest KGGermany$453.001000 mg90%
Otava, Ltd.Ukraine$460.00250 mg95%
Key Organics Ltd.United Kingdom$2740.0050 mg95%
AngeneChina Hong Kong$4266.6730 mg98%
Vitas M Chemical LimitedHong Kong$14000.005 mg90%
Princeton BioMolecular Research (SC)United States$18000.005 mg90%

Chemical Identity

CAS77-71-4
PubChem CID6491
DTXSIDDTXSID5021754
FormulaC5H8N2O2
Mol. Weight128.13 g/mol
SMILESCC1(C(=O)NC(=O)N1)C

Data Sources

DTXSID50217542026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

64912026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6491/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6491.json

77-71-42026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 77-71-42026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv