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alpha-Phellandrene

CAS 99-83-2

1,3-Cyclohexadiene, 2-methyl-5-(1-methylethyl)-

Companies reported imports and no US production of this chemical to EPA for 2023.

Molecular structure of 99-83-2
US productionZero
Import value, 2024$90M
Import volume630 lb
Import dependency100%
Top sourceJapan 21%

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.

alpha-Phellandrene · US import value by year
$75M2013$116M2018$90M2024$77M2025

2013: $75M · Peak 2018: $116M · 2024: $90M · 2025: $77M

Where It Comes From

Customs basis: HS 290219 · basket

EPA reports by year
2023
US production Zero · Imports 630 lb

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
JP 21%JapanBR 12%BrazilTW 12%TaiwanKR 11%South KoreaDE 9%Germany
EPA-registered importers (1)
Berje

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Industrial Uses

  • •Fragrance in Not Known or Reasonably Ascertainable (100%)Not Known or Reasonably Ascertainable

Chemical Identity

CAS99-83-2
PubChem CIDNot recorded
DTXSIDDTXSID4047593
FormulaC10H16
Mol. Weight136.238 g/mol
SMILESCC(C)C1CC=C(C)C=C1

Data Sources

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Brief citations

alpha-Phellandrene (CAS 99-83-2) https://chemicalindependence.com/chemical/99-83-2/ EPA TSCA Inventory: CAS 99-83-2. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 99-83-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290219 for CAS 99-83-2. Reporting year: 2024. https://usatrade.census.gov/