Butyl valerate

戊酸丁酯

Also known as: Butyl pentanoate, Pentanoic acid butyl ester, Valeric acid butyl ester, n-Butyl valerate, n-Butyl pentanoate, Butyl valerianate, MFCD00015258, EINECS 209-728-5, Pentanoicacid,butylester, n-Butyl-n-valerate

Butyl valerate (CAS 591-68-4) 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 Butyl pentanoate, Pentanoic acid butyl ester and Valeric acid butyl ester. Key properties include a melting point of -92.8ºC, a boiling point of 186-187 °C(lit.), a density of 0.868 g/mL at 25 °C(lit.) and a flash point of 152 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
591-68-4
Jingsj CID
J-12439-9
Molecular Formula
C9H18O2
Chinese Name
戊酸丁酯
Molecular Weight
158.23800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-92.8ºC
Boiling Point186-187 °C(lit.)
Density0.868 g/mL at 25 °C(lit.)
Flash Point152 °F

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Butyl valerate?

The CAS number of Butyl valerate is 591-68-4.

What are the molecular formula and molecular weight of Butyl valerate?

Butyl valerate has molecular formula C9H18O2 and molecular weight 158.23800 g/mol.

Is Butyl valerate hazardous?

Butyl valerate 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. "Butyl valerate (CAS 591-68-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12439-9 (accessed 2026-10-23).

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