2,5-Dimethyl-3-hexyne-2,5-diol

CAS 142-30-3

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$82M

Top sourceGermany 18%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290539 · basket

EPA reports by year

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

These shares come from HS customs code 290539, which covers 48 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).

DE 18%GermanyKR 16%South KoreaBR 11%BrazilTW 8%TaiwanMX 7%Mexico

Canada
Liechtenstein
Israel
Ireland
Portugal
Ukraine
Singapore

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.

United Initiators Gmbh · DE Germany

United Initiators

Why It Matters

Sectors

Plastics & RubberCore Chemicals

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 2 functional roles.

•Catalyst in Plastics Product Manufacturing (100%)Processing as a reactant
•Intermediate in All Other Chemical Product and Preparation Manufacturing (0%)Processing as a reactant

Vendor Pricing

$0.07/gAaron Chemicals LLC

CountryHong Kong

Pack$34.00 / 500 g

Purity98%

Vendors21 available

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

20 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.08	500 g	98%
A2B Chem LLC	United States	$0.10	500 g	95%
BLD Pharmatech GmbH	Germany	$0.12	500 g	98%
BLD Pharmatech Ltd.	China	$0.12	500 g	98%
AA BLOCKS	United States	$0.12	500 g	98%
BLD Pharmatech Co., Limited	United States	$0.13	500 g	98%
Ambeed, Inc.	United States	$0.13	500 g	98%
AK Scientific Specialized	United States	$0.17	500 g	98%
AK Scientific, Inc.	United States	$0.23	500 g	99%
ALFA AESAR	Germany	$0.29	500 g	98%
Combi-Blocks, Inc.	United States	$0.30	500 g	98%
Angene International Limited	United States	$0.42	500 g	99%
Fluorochem EU	Germany	$0.44	25 g	95%
AstaTech (2 weeks)	United States	$0.99	100 g	98%
Labotest KG	Germany	$217.80	5000 mg	90%
Princeton BioMolecular Research (SC)	United States	$2900.00	100 mg	90%
Vitas M Chemical Limited	Hong Kong	$3170.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%
ChemDiv, Inc.	United States	$7666.67	15 mg	90%
ChemBridge Corporation (rush stock)	United States	$13600.00	5 mg	90%

Chemical Identity

CAS142-30-3

PubChem CID8883

DTXSIDDTXSID2027096

FormulaC8H14O2

Mol. Weight142.2 g/mol

SMILESCC(C)(C#CC(C)(C)O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID2027096Retrieved 2026-04-06
PubChem · compound 8883Retrieved 2026-04-06
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

← Back to Dashboard ← Back to Plastics & Rubber

Brief citations

2,5-Dimethyl-3-hexyne-2,5-diol (CAS 142-30-3) https://chemicalindependence.com/chemical/142-30-3/ EPA CompTox (DSSTox): DTXSID2027096. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2027096 PubChem: 8883. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8883 EPA Chemical Data Reporting: 142-30-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 142-30-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290539 for CAS 142-30-3. Reporting year: 2024. https://usatrade.census.gov/