2-(Prop-2-yn-1-yloxy)ethanol

CAS 3973-18-0

Ethanol, 2-(2-propyn-1-yloxy)-

Molecular structure of 3973-18-0
US productionNot reported
Import value, 2024$132M
Top sourceIndia 18%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290949 · basket

These shares come from HS customs code 290949, which covers 104 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 18%IndiaJP 14%JapanDE 13%GermanyKR 11%South KoreaTW 11%Taiwan

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$0.10/gFluorochem EU
CountryGermany
Pack$9.68 / 100 g
Purity90%
Vendors19 available

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

Chemical Identity

CAS3973-18-0
PubChem CIDNot recorded
DTXSIDDTXSID9044665
FormulaC5H8O2
Mol. Weight100.117 g/mol
SMILESOCCOCC#C

Data Sources

Brief citations

2-(Prop-2-yn-1-yloxy)ethanol (CAS 3973-18-0) https://chemicalindependence.com/chemical/3973-18-0/ EPA TSCA Inventory: CAS 3973-18-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290949 for CAS 3973-18-0. Reporting year: 2024. https://usatrade.census.gov/