Oxazolidine, 3-ethyl-2-methyl-2-(3-methylbutyl)-

CAS 143860-04-2

Used in 1 industrial sector tracked by the EPA.

US productionNot reported

Import value, 2024$6.4B

Top sourceSingapore 36%

EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.

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 293499 · basket

EPA reports by year

2023: US production Not published · Imports Not published

These shares come from HS customs code 293499, which covers 575 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).

SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India

Finland
Netherlands
Canada
Indonesia
Mexico
Taiwan
South Korea
Austria
Croatia
Sweden
Ukraine
Denmark
Israel
Czech Republic
New Zealand
Hong Kong
Kyrgyzstan
Australia
Portugal
South Africa
Poland
Slovenia
Brazil
Slovakia
Vietnam
Latvia
Malta
Hungary
Romania
Kenya
Belarus
Russia
Turkey
Norway

Why It Matters

Sectors

Paints & Coatings

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

•Dehydrating agent (desiccant) in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$1326.00/gAA BLOCKS (1 week)

CountryUnited States

Pack$1326.00 / 1 g

Purity98%

Vendors4 available

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

3 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC (1 week)	United States	$1326.00	1 g	98%
Aaron Chemicals LLC	Hong Kong	$1562.00	1 g	98%
MedChemExpress MCE	Sweden	$2071.52	1 g	—

Chemical Identity

CAS143860-04-2

PubChem CIDNot recorded

DTXSIDDTXSID20869934

FormulaC11H23NO

Mol. Weight185.311 g/mol

SMILESCCN1CCOC1(C)CCC(C)C

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

Oxazolidine, 3-ethyl-2-methyl-2-(3-methylbutyl)- (CAS 143860-04-2) https://chemicalindependence.com/chemical/143860-04-2/ EPA TSCA Inventory: CAS 143860-04-2. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 143860-04-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 143860-04-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293499 for CAS 143860-04-2. Reporting year: 2024. https://usatrade.census.gov/