2-Methylpent-2-en-1-oic acid

CAS 3142-72-1

2-Pentenoic acid, 2-methyl-

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

Molecular structure of 3142-72-1
US productionZero
Import value, 2024$117M
Import volume349 lb
Import dependency100%
Top sourceChina 50%

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.

2-Methylpent-2-en-1-oic acid · US import value by year
$123M2013$323M2021$117M2024$102M2025

2013: $123M · Peak 2021: $323M · 2024: $117M · 2025: $102M

Where It Comes From

Customs basis: HS 291619 · basket

EPA reports by year
2023
US production Zero · Imports 349 lb

These shares come from HS customs code 291619, which covers 169 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 50%ChinaDE 21%GermanyTW 12%TaiwanIN 7%IndiaGB 3%United Kingdom
EPA-registered importers (2)
Reckitt Benckiser Group · GB United Kingdom
Reckitt Benckiser

Why It Matters

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

Vendor Pricing

$1.16/gAK Scientific, Inc.
CountryUnited States
Pack$29.00 / 25 g
Purity98%
Vendors2 available

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

Chemical Identity

CAS3142-72-1
PubChem CIDNot recorded
DTXSIDDTXSID0051998
FormulaC6H10O2
Mol. Weight114.144 g/mol
SMILESCCC=C(C)C(O)=O

Data Sources

Brief citations

2-Methylpent-2-en-1-oic acid (CAS 3142-72-1) https://chemicalindependence.com/chemical/3142-72-1/ EPA TSCA Inventory: CAS 3142-72-1. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 3142-72-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291619 for CAS 3142-72-1. Reporting year: 2024. https://usatrade.census.gov/