n-Amyl butyrate

CAS 540-18-1

Companies reported imports and no US production of this chemical to EPA for 2019.

US productionZero

Import value, 2024$63M

Import volume3 lb

Import dependency100%

Top sourceChina 22%

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

n-Amyl butyrate · US import value by year

2013: $31M · Peak 2022: $85M · 2024: $63M · 2025: $50M

Where It Comes From

Customs basis: HS 291560 · basket

EPA reports by year

2019: US production Zero · Imports 3 lb

These shares come from HS customs code 291560, which covers 183 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).

CN 22%ChinaDE 19%GermanySE 14%SwedenJP 13%JapanIN 9%India

Ireland
South Korea
United Arab Emirates
Russia
Ukraine
Israel
Brazil
Canada

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.

Reckitt Benckiser

Why It Matters

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

Vendor Pricing

$0.04/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$797.46 / 20 kg

Purity98%

Vendors6 available

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

5 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$0.04	20 kg	98%
A2B Chem LLC	United States	$0.49	100 g	98%
AA BLOCKS	United States	$0.59	100 g	98%
Combi-Blocks, Inc.	United States	$1.20	100 g	98%
Labotest KG	Germany	$217.80	5000 mg	90%

Chemical Identity

CAS540-18-1

PubChem CID10890

DTXSIDDTXSID4041604

FormulaC9H18O2

Mol. Weight158.24 g/mol

SMILESCCCCCOC(=O)CCC

Data Sources

EPA CompTox (DSSTox) · DTXSID4041604Retrieved 2026-04-06
PubChem · compound 10890Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

n-Amyl butyrate (CAS 540-18-1) https://chemicalindependence.com/chemical/540-18-1/ EPA CompTox (DSSTox): DTXSID4041604. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4041604 PubChem: 10890. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/10890 EPA Chemical Data Reporting: 540-18-1. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291560 for CAS 540-18-1. Reporting year: 2024. https://usatrade.census.gov/