alpha-Terpinene

CAS 99-86-5

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$90M

Top sourceJapan 21%

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 290219 · basket

EPA reports by year

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

These shares come from HS customs code 290219, which covers 108 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).

JP 21%JapanBR 12%BrazilTW 12%TaiwanKR 11%South KoreaDE 9%Germany

Russia
United Kingdom
Indonesia
South Africa
Ukraine
Madagascar
Hungary
Hong Kong
Czech Republic
Israel

EPA-registered manufacturers (2)

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

Symrise Ag · DE Germany

Symrise

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.

Emd Holding

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.

Berje

Why It Matters

Sectors

Core 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 3 sectors as 3 functional roles.

•Fragrance in Not Known or Reasonably Ascertainable (100%)Not Known or Reasonably Ascertainable
•Semiconductor and photovoltaic agent in All Other Chemical Product and Preparation ManufacturingUse—non-incorporative activities
•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.07/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$532.46 / 8 kg

Purity89%

Vendors17 available

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

16 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$0.07	8 kg	89%
Aaron Chemicals LLC	Hong Kong	$0.14	500 g	95%
Angene Chemical	China → Hong Kong	$0.16	500 g	—
AK Scientific Specialized	United States	$0.22	500 g	90%
AK Scientific, Inc.	United States	$0.30	500 g	95%
A2B Chem LLC	United States	$0.44	25 g	95%
Combi-Blocks, Inc.	United States	$0.48	500 g	95%
AA BLOCKS	United States	$0.59	500 g	95%
Ambeed, Inc.	United States	$0.60	25 g	95%
Angene International Limited	United States	$5.84	25 g	95%
MedChemExpress MCE	Sweden	$62.92	1 g	97.56%
TargetMol Chemicals	China → United States	$77.00	1 g	96.04%
Labotest KG	Germany	$217.80	5000 mg	90%
Cayman Europe	Estonia	$395.08	1 g	95%
ChemFaces	China	$1500.00	20 mg	98%
Angene	China → Hong Kong	$4266.67	30 mg	89%

Chemical Identity

CAS99-86-5

PubChem CID7462

DTXSIDDTXSID9041237

FormulaC10H16

Mol. Weight136.23 g/mol

SMILESCC1=CC=C(CC1)C(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID9041237Retrieved 2026-04-06
PubChem · compound 7462Retrieved 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

alpha-Terpinene (CAS 99-86-5) https://chemicalindependence.com/chemical/99-86-5/ EPA CompTox (DSSTox): DTXSID9041237. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9041237 PubChem: 7462. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7462 EPA Chemical Data Reporting: 99-86-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 99-86-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290219 for CAS 99-86-5. Reporting year: 2024. https://usatrade.census.gov/