3,3'-Methylenebis(5-methyloxazolidine)

CAS 66204-44-2

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.

Top sourceNo public record

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.

Where It Comes From

EPA reports by year

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

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.

Lamberti Usa, Incorporated

Why It Matters

Sectors

Energy

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 3 functional roles.

•Processing aids, specific to petroleum production in Oil and Gas Drilling, Extraction, and Support activities (100%)Processing as a reactant
•Intermediate in Petroleum Lubricating Oil and Grease Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Corrosion inhibitor in Oil and Gas Drilling, Extraction, and Support activitiesUse—non-incorporative activities

Vendor Pricing

$0.33/gA2B Chem LLC (2 weeks)

CountryUnited States

Pack$166.00 / 500 g

Purity88%

Vendors3 available

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

2 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS (2 weeks)	United States	$0.35	500 g	88%
Aaron Chemicals LLC	Hong Kong	$0.46	500 g	88%

Chemical Identity

CAS66204-44-2

PubChem CID128328

DTXSIDDTXSID5051234

FormulaC9H18N2O2

Mol. Weight186.25 g/mol

SMILESCC1CN(CO1)CN2CC(OC2)C

Data Sources

EPA CompTox (DSSTox) · DTXSID5051234Retrieved 2026-04-06
PubChem · compound 128328Retrieved 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

3,3'-Methylenebis(5-methyloxazolidine) (CAS 66204-44-2) https://chemicalindependence.com/chemical/66204-44-2/ EPA CompTox (DSSTox): DTXSID5051234. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5051234 PubChem: 128328. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/128328 EPA Chemical Data Reporting: 66204-44-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 66204-44-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting