Bicyclo[3.1.1]hept-2-ene-2-ethanol, 6,6-dimethyl-, 2-acetate

CAS 128-51-8

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$123M

Top sourceIndia 31%

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 291539 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential

These shares come from HS customs code 291539, which covers 252 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 31%IndiaCN 18%ChinaDE 13%GermanyMX 8%MexicoGB 7%United Kingdom

Indonesia
Costa Rica
South Korea
Netherlands
Canada
Paraguay
Madagascar
South Africa
Vietnam
Slovakia
Hong Kong
Israel
Singapore
Argentina
Ukraine

EPA-registered importers (1)

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

Takasago

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

•Fragrance in Other (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$22.00/gAaron Chemicals LLC

CountryHong Kong

Pack$22.00 / 1 g

Purity98%

Vendors7 available

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

6 more vendors

Vendor	Country	$/g	Pack	Purity
TargetMol Chemicals	China → United States	$42.00	1 g	99.33%
A2B Chem LLC (2 weeks)	United States	$63.00	1 g	99.33%
AA BLOCKS (2 weeks)	United States	$70.00	1 g	95%
Vitas M Chemical Limited	Hong Kong	$4020.00	50 mg	90%
Princeton BioMolecular Research (SC)	United States	$4200.00	50 mg	90%
Interbioscreen	Hong Kong	$4864.50	100 mg	95%

Chemical Identity

CAS128-51-8

PubChem CIDNot recorded

DTXSIDDTXSID6051645

FormulaC13H20O2

Mol. Weight208.301 g/mol

SMILESCC(=O)OCCC1=CC2CC(C1)C2(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

Bicyclo[3.1.1]hept-2-ene-2-ethanol, 6,6-dimethyl-, 2-acetate (CAS 128-51-8) https://chemicalindependence.com/chemical/128-51-8/ EPA TSCA Inventory: CAS 128-51-8. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 128-51-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 128-51-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291539 for CAS 128-51-8. Reporting year: 2024. https://usatrade.census.gov/