2-Butyn-1-ol, 4-(2-hydroxypropoxy)-

CAS 1606-79-7

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.

Import value, 2024$132M

Top sourceIndia 18%

At least one company claimed its 2019 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: 2019. 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

EPA reports by year

2019: US production Confidential · Imports Confidential

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

Country of origin for US imports, from Census customs data (2024).

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

Switzerland
Poland
Brazil
Singapore
Norway
Kyrgyzstan
Ukraine
Israel

EPA-registered importers (2)

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

Basf Se · DE Germany

Basf

Why It Matters

Sectors

Metals & Mining

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

•Brightener in Primary Metal ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.23/gAaron Chemicals LLC

CountryHong Kong

Pack$114.00 / 500 g

Purity95%

Vendors6 available

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

5 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.25	500 g	95%
A2B Chem LLC	United States	$7.60	25 g	95%
Combi-Blocks, Inc.	United States	$7.60	25 g	95%
AA BLOCKS	United States	$8.72	25 g	95%
AstaTech (2 weeks)	United States	$11.48	25 g	95%

Chemical Identity

CAS1606-79-7

PubChem CID102654

DTXSIDDTXSID90862710

FormulaC7H12O3

Mol. Weight144.17 g/mol

SMILESCC(COCC#CCO)O

Data Sources

EPA CompTox (DSSTox) · DTXSID90862710Retrieved 2026-04-06
PubChem · compound 102654Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

2-Butyn-1-ol, 4-(2-hydroxypropoxy)- (CAS 1606-79-7) https://chemicalindependence.com/chemical/1606-79-7/ EPA CompTox (DSSTox): DTXSID90862710. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID90862710 PubChem: 102654. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/102654 EPA Chemical Data Reporting: 1606-79-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1606-79-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290949 for CAS 1606-79-7. Reporting year: 2024. https://usatrade.census.gov/