Isobutyl (E)-2-butenoate

巴豆酸异丁酯

Also known as: (E)-2-Butenoic acid isobutyl ester, 2-Methylpropyl (E)-but-2-enoate, Isobutyl trans-2-butenoate, 2-Butenoic acid, 2-methylpropyl ester, (2E)-, Crotonic acid, isobutyl ester, (trans)-, Isobutyl (2E)-2-butenoate, 2-Methylpropyl 2-butenoate, 2-Methylpropyl crotonate

Isobutyl (E)-2-butenoate (CAS 73545-15-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O2 and a molecular weight of 142.196 g/mol. It is also known as (E)-2-Butenoic acid isobutyl ester, 2-Methylpropyl (E)-but-2-enoate and Isobutyl trans-2-butenoate. Key properties include a boiling point of 166.4±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 55.0±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
73545-15-0
Jingsj CID
J-1088680-1
Molecular Formula
C8H14O2
Chinese Name
巴豆酸异丁酯
Molecular Weight
142.196 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point166.4±9.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point55.0±0.0 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Isobutyl (E)-2-butenoate?

The CAS number of Isobutyl (E)-2-butenoate is 73545-15-0.

What are the molecular formula and molecular weight of Isobutyl (E)-2-butenoate?

Isobutyl (E)-2-butenoate has molecular formula C8H14O2 and molecular weight 142.196 g/mol.

Is Isobutyl (E)-2-butenoate hazardous?

Isobutyl (E)-2-butenoate 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. "Isobutyl (E)-2-butenoate (CAS 73545-15-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088680-1 (accessed 2026-10-25).

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