3-Methylbut-3-en-1-ol

CAS 763-32-6

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$52M

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceIndia 29%

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. 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 290529 · basket

EPA reports by year

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

These shares come from HS customs code 290529, which covers 116 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 29%IndiaJP 27%JapanCN 15%ChinaCH 10%SwitzerlandDE 4%Germany

Canada
Spain
United Kingdom
Slovakia
Ukraine
Hong Kong
Greece
Russia
Sweden

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.

Kuraray Holdings U.S.A.

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 & MiningConsumer Products

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

•Fragrance in Soap, Cleaning Compound, and Toilet Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.05/gAaron Chemicals LLC

CountryHong Kong

Pack$507.00 / 10 kg

Purity99%

Vendors11 available

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

10 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.09	500 g	99%
MedChemExpress MCE	Sweden	$0.23	1 kg	99.99%
Combi-Blocks, Inc.	United States	$0.25	1 kg	97%
A2B Chem LLC	United States	$0.27	1 kg	97%
AA BLOCKS	United States	$0.28	1 kg	98%
Ambeed, Inc.	United States	$0.60	100 g	98%
Angene International Limited	United States	$1.31	500 g	97%
Interbioscreen	Hong Kong	$24.00	10 g	95%
TargetMol Chemicals	China → United States	$840.00	100 mg	—
Angene	China → Hong Kong	$4266.67	30 mg	99%

Chemical Identity

CAS763-32-6

PubChem CID12988

DTXSIDDTXSID4052506

FormulaC5H10O

Mol. Weight86.13 g/mol

SMILESCC(=C)CCO

Data Sources

EPA CompTox (DSSTox) · DTXSID4052506Retrieved 2026-04-06
PubChem · compound 12988Retrieved 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

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Brief citations

3-Methylbut-3-en-1-ol (CAS 763-32-6) https://chemicalindependence.com/chemical/763-32-6/ EPA CompTox (DSSTox): DTXSID4052506. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4052506 PubChem: 12988. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/12988 EPA Chemical Data Reporting: 763-32-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 763-32-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290529 for CAS 763-32-6. Reporting year: 2024. https://usatrade.census.gov/