Amyl butyrate

丁酸戊酯

Also known as: 1-Pentyl butyrate, 1-pentylbutanoate, AMYL BUTANOATE, AMYL BUTYRATE, Butyric Acid Amyl Ester, EINECS 208-739-2, FEMA 2059, MFCD00048850, N-PENTYL N-BUTYRATE, PENTYL BUTYRATE, Pentyl Butyrate, pentyl butanoate, pentyl butyrate, pentylbutanoate, n-pentyl butyrate, n-amyl butyrate, n-butyl n-amyl ester

Amyl butyrate (CAS 540-18-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H18O2 and a molecular weight of 158.23800 g/mol. It is also known as 1-Pentyl butyrate, 1-pentylbutanoate and AMYL BUTANOATE. Key properties include a boiling point of 184-188 °C(lit.), a density of 0.863 g/mL at 25 °C(lit.) and a flash point of 154 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
540-18-1
Jingsj CID
J-16582-2
Molecular Formula
C9H18O2
Chinese Name
丁酸戊酯
Molecular Weight
158.23800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point184-188 °C(lit.)
Density0.863 g/mL at 25 °C(lit.)
Flash Point154 °F

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Amyl butyrate?

The CAS number of Amyl butyrate is 540-18-1.

What are the molecular formula and molecular weight of Amyl butyrate?

Amyl butyrate has molecular formula C9H18O2 and molecular weight 158.23800 g/mol.

Is Amyl butyrate hazardous?

Amyl butyrate has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Amyl butyrate (CAS 540-18-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16582-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.